Cita APA (7a ed.)

Tims, N., & Manin, G. J. A. (2006). Engage level 1: Teacher's book.

Cita Chicago Style (17a ed.)

Tims, Nicholas, y Gregory J. Artusi Manin. Engage Level 1: Teacher's Book. Oxford, 2006.

Cita MLA (9a ed.)

Tims, Nicholas, y Gregory J. Artusi Manin. Engage Level 1: Teacher's Book. 2006.