Cita APA

Richmond, D., & Richmond, D. (2010). Spanish pronouns and prepositions (2. edition.). New York: McGraw-Hill.

Citación estilo Chicago

Richmond, Dorothy, y Dorothy Richmond. Spanish Pronouns and Prepositions. 2. edition. New York: McGraw-Hill, 2010.

Cita MLA

Richmond, Dorothy, y Dorothy Richmond. Spanish Pronouns and Prepositions. 2. edition. New York: McGraw-Hill, 2010.