Cita APA (7a ed.)

Pfister, M., & Pearson, S. (2011). Questions, questions. NorthSouth.

Cita Chicago Style (17a ed.)

Pfister, Marcus, y Susan Pearson. Questions, Questions. New York: NorthSouth, 2011.

Cita MLA (8a ed.)

Pfister, Marcus, y Susan Pearson. Questions, Questions. NorthSouth, 2011.

Precaución: Estas citas no son 100% exactas.