Cita APA (7a ed.)

Hopkins, A., & Potter, J. (1999). Longman for Polimodal. Longman.

Cita Chicago Style (17a ed.)

Hopkins, Andy, y Jocelyn Potter. Longman for Polimodal. England: Longman, 1999.

Cita MLA (9a ed.)

Hopkins, Andy, y Jocelyn Potter. Longman for Polimodal. Longman, 1999.