Cita APA

Vogt, E. W., & Vogt, E. W. (2011). Spanish irregular verbs up close. New York: McGraw-Hill.

Citación estilo Chicago

Vogt, Eric W., y Eric W. Vogt. Spanish Irregular Verbs Up Close. New York: McGraw-Hill, 2011.

Cita MLA

Vogt, Eric W., y Eric W. Vogt. Spanish Irregular Verbs Up Close. New York: McGraw-Hill, 2011.