diff --git a/bgc_isocap.m b/bgc_isocap.m
index 082a1fd..314124e 100644
--- a/bgc_isocap.m
+++ b/bgc_isocap.m
@@ -16,7 +16,8 @@
 % Citation: Humphreys MP, Daniels CJ, Wolf-Gladrow DA, Tyrrell T, & 
 %           Achterberg EP (2017): "On the influence of marine
 %           biogeochemical processes over CO2 exchange between the
-%           atmosphere and ocean", Marine Chemistry, submitted
+%           atmosphere and ocean", Marine Chemistry, in press,
+%           doi:10.1016/j.marchem.2017.12.006
 % =========================================================================
 
 % Absolute zero
diff --git a/bgc_normalise.m b/bgc_normalise.m
index 9073c0b..7ab39da 100644
--- a/bgc_normalise.m
+++ b/bgc_normalise.m
@@ -10,7 +10,8 @@
 % Citation: Humphreys MP, Daniels CJ, Wolf-Gladrow DA, Tyrrell T, & 
 %           Achterberg EP (2017): "On the influence of marine
 %           biogeochemical processes over CO2 exchange between the
-%           atmosphere and ocean", Marine Chemistry, submitted
+%           atmosphere and ocean", Marine Chemistry, in press,
+%           doi:10.1016/j.marchem.2017.12.006
 % =========================================================================
 
 % Unpack input
diff --git a/bgc_phi.m b/bgc_phi.m
index 00bf2e7..e8637b6 100644
--- a/bgc_phi.m
+++ b/bgc_phi.m
@@ -12,7 +12,8 @@
 % Citation: Humphreys MP, Daniels CJ, Wolf-Gladrow DA, Tyrrell T, & 
 %           Achterberg EP (2017): "On the influence of marine
 %           biogeochemical processes over CO2 exchange between the
-%           atmosphere and ocean", Marine Chemistry, submitted
+%           atmosphere and ocean", Marine Chemistry, in press,
+%           doi:10.1016/j.marchem.2017.12.006
 % =========================================================================
 
 % Phi