APA (7th ed.) Citation

Gill, M. M., & Wegmann, B.. (2009). Tune up your Spanish [ (2nd ed.). McGraw-Hil.

Chicago Style (17th ed.) Citation

Gill, Mary McVey, and Brenda Wegmann. Tune Up Your Spanish [. 2nd ed. New York: McGraw-Hil, 2009.

MLA (9th ed.) Citation

Gill, Mary McVey, and Brenda Wegmann. Tune Up Your Spanish [. 2nd ed. McGraw-Hil, 2009.