APA Style

Osulivan, A., Sheffrin, S, M. (2001). Economics : Principles and Tools, 2nd. Ed. (2). New Jersey: Prentice Hall, Inc..

MLA Style

Osulivan, Arthur., Sheffrin, Steven, M.. "Economics : Principles and Tools, 2nd. Ed.". 2 New Jersey: Prentice Hall, Inc., 2001. Text.