APA
Alters S., Schiff W., . (2009). Essential concepts for healthy living. Sudbury, Mass: Jones and Bartlett.
Chicago
Alters Sandra, Schiff Wendy, . 2009. Essential concepts for healthy living. Sudbury, Mass: Jones and Bartlett.
Harvard
Alters S., Schiff W., . (2009). Essential concepts for healthy living. Sudbury, Mass: Jones and Bartlett.
MLA
Alters Sandra, Schiff Wendy, . Essential concepts for healthy living. Sudbury, Mass: Jones and Bartlett. 2009.