Cita APA (7a ed.)

Latham-Koenig, C., Oxenden, C., & Chomacki, K. (2020). English file upper -intermediate: Student's Book (4th ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Latham-Koenig, Christina, Clive Oxenden, y Kate Chomacki. English File Upper -intermediate: Student's Book. 4th ed. Reino Unido: Oxford University Press, 2020.

Cita MLA (8a ed.)

Latham-Koenig, Christina, et al. English File Upper -intermediate: Student's Book. 4th ed. Oxford University Press, 2020.