Cita APA

Hall, E. J., & Hall, E. J. (1981). Practical conversation in English 1. New York, New York: Regents.

Citación estilo Chicago

Hall, Eugene J., y Eugene J. Hall. Practical Conversation in English 1. New York, New York: Regents, 1981.

Cita MLA

Hall, Eugene J., y Eugene J. Hall. Practical Conversation in English 1. New York, New York: Regents, 1981.