APA
O'Sullivan A., Sheffrin S. M., Perez S. J. & O'Sullivan A. (20092010). Microeconomics. Upper Saddle River, NJ: Pearson.
Chicago
O'Sullivan Arthur, Sheffrin Steven M, Perez Stephen J and O'Sullivan Arthur. 20092010. Microeconomics. Upper Saddle River, NJ: Pearson.
Harvard
O'Sullivan A., Sheffrin S. M., Perez S. J. and O'Sullivan A. (20092010). Microeconomics. Upper Saddle River, NJ: Pearson.
MLA
O'Sullivan Arthur, Sheffrin Steven M, Perez Stephen J and O'Sullivan Arthur. Microeconomics. Upper Saddle River, NJ: Pearson. 20092010.