APA Style

Samuelson, W, F., Marks, S, G. (2012). MANAGERIAL ECONOMICS (S E V E N T H E D I T I O N). United States of America: John Wiley & Sons.

MLA Style

Samuelson, William, F.., Marks, Stephen, G.. "MANAGERIAL ECONOMICS". S E V E N T H E D I T I O N United States of America: John Wiley & Sons, 2012. Text.