diff --git a/R/DESCRIPTION.in b/R/DESCRIPTION.in
index 90291510..918ffd42 100644
--- a/R/DESCRIPTION.in
+++ b/R/DESCRIPTION.in
@@ -5,9 +5,9 @@ License: BSD_3_clause + file LICENSE
 NeedsCompilation: yes
 Depends:
     R (>= 2.10)
-Author: D.L. Parkhurst and C.A.J. Appelo, with contributions from S.D. Cohen,
-    A.C. Hindmarsh, R. Serban, D. Shumaker, and A.G. Taylor for CVODE (SUNDIALS)
-    and D. Gillespie for Chipmunk BASIC (p2c)
+Author: D.L. Parkhurst and C.A.J. Appelo, with contributions from D. Gillespie 
+    for Chipmunk BASIC (p2c) and S.D. Cohen, A.C. Hindmarsh, R. Serban, 
+    D. Shumaker, and A.G. Taylor for CVODE (SUNDIALS)
 URL: http://wwwbrr.cr.usgs.gov/projects/GWC_coupled/phreeqc
 Description: R interface to the PHREEQC program.  PHREEQC is a geochemical
     modeling program developed by the US Geological Survey that is designed to
diff --git a/R/phreeqc.R.in b/R/phreeqc.R.in
index 4044d974..46c01b68 100644
--- a/R/phreeqc.R.in
+++ b/R/phreeqc.R.in
@@ -9,7 +9,7 @@
 ##' @name phreeqc-package
 ##' @aliases phreeqc-package phreeqc
 ##' @docType package
-##' @author D.L. Parkhurst and C.A.J. Appelo, with contributions from S.D. Cohen, A.C. Hindmarsh, R. Serban, D. Shumaker, and A.G. Taylor for CVODE (SUNDIALS) and D. Gillespie for Chipmunk BASIC (p2c) \cr Maintainer: S.R. Charlton \email{charlton@@usgs.gov}
+##' @author D.L. Parkhurst and C.A.J. Appelo, with contributions from D. Gillespie for Chipmunk BASIC (p2c) and S.D. Cohen, A.C. Hindmarsh, R. Serban, D. Shumaker, and A.G. Taylor for CVODE (SUNDIALS) \cr Maintainer: S.R. Charlton \email{charlton@@usgs.gov}
 ##' @references \url{ftp://brrftp.cr.usgs.gov/pub/charlton/iphreeqc/IPhreeqc.pdf}\cr \url{http://computation.llnl.gov/casc/sundials/main.html}
 ##' @keywords package
 ##' @examples
diff --git a/R/phreeqc/CITATION b/R/phreeqc/CITATION
new file mode 100644
index 00000000..11a30a9b
--- /dev/null
+++ b/R/phreeqc/CITATION
@@ -0,0 +1,25 @@
+
+citHeader("Suggested citation for R phreeqc package:")
+
+
+citEntry(entry="Manual",
+         title =  "Description of input and examples for PHREEQC version 3--A computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical calculations",
+         author = personList(as.person("D. L. Parkhurst"), 
+                             as.person("C. A. J. Appelo")),
+	 publisher = "U.S. Geological Survey",
+         year         = "2013",
+         series       = "Techniques and Methods",
+         volume       = "book 6",
+         chapter      = "A43",
+         pages        = "497",
+         url          = "http://pubs.usgs.gov/tm/06/a43",
+
+	textVersion = 
+		paste("Parkhurst, D.L., and Appelo, C.A.J., 2013, Description of",
+                        "input and examples for PHREEQC version 3--A computer",
+                        "program for speciation, batch- reaction, one-dimensional",
+                        "transport, and inverse geochemical calculations: U.S.",
+                        "Geological Survey Techniques and Methods, book 6, chap.",
+                        "A43, 497 p., available only at",
+                        "http://pubs.usgs.gov/tm/06/a43.")
+}