Cita APA (7a ed.)

Archer, M., & Nolan-Woods, E. (1984). English for Cambridge Proficiency. Nelson.

Cita Chicago Style (17a ed.)

Archer, Margaret, y Enid Nolan-Woods. English for Cambridge Proficiency. Walton-on-Thames [etc.]: Nelson, 1984.

Cita MLA (9a ed.)

Archer, Margaret, y Enid Nolan-Woods. English for Cambridge Proficiency. Nelson, 1984.