Cita APA

Steinberg, R., & Steinberg, R. (2005). McGraw-Hill's complete tools for the TOEFL test. New York: McGraw-Hill.

Citación estilo Chicago

Steinberg, Roberta, y Roberta Steinberg. McGraw-Hill's Complete Tools for the TOEFL Test. New York: McGraw-Hill, 2005.

Cita MLA

Steinberg, Roberta, y Roberta Steinberg. McGraw-Hill's Complete Tools for the TOEFL Test. New York: McGraw-Hill, 2005.