Cita APA (7a ed.)

Alexander, L. (1974). Mainline: Progress A and B. Teacher's Book. Longman.

Cita Chicago Style (17a ed.)

Alexander, L.G. Mainline: Progress A and B. Teacher's Book. London: Longman, 1974.

Cita MLA (9a ed.)

Alexander, L.G. Mainline: Progress A and B. Teacher's Book. Longman, 1974.