Cita APA (7a ed.)

Lozano, F., Lamb, C., Nunan, D. C., Omaggio Hadley, A., & Oxford, R. L. (1996). Focus on learning: A resource book. International Thomson.

Cita Chicago Style (17a ed.)

Lozano, Francisco, Clarice Lamb, David C. Nunan, Alice Omaggio Hadley, y Rebecca L. Oxford. Focus on Learning: A Resource Book. México: International Thomson, 1996.

Cita MLA (9a ed.)

Lozano, Francisco, et al. Focus on Learning: A Resource Book. International Thomson, 1996.