Cita APA

Vogt, E. W., & Vogt, E. W. (2012). Spanish problem solver. New York: McGraw-Hill.

Citación estilo Chicago

Vogt, Eric W., y Eric W. Vogt. Spanish Problem Solver. New York: McGraw-Hill, 2012.

Cita MLA

Vogt, Eric W., y Eric W. Vogt. Spanish Problem Solver. New York: McGraw-Hill, 2012.