APA (7th ed.) Citation
Latham-Koenig, C., Oxenden, C., & Seligson, P. (2017). American english file: Teacher's book 1 (2a ed.). Oxford University Press.
Chicago Style (17th ed.) Citation
Latham-Koenig, Christina, Clive Oxenden, and Paul Seligson. American English File: Teacher's Book 1. 2a ed. New York: Oxford University Press, 2017.
MLA (9th ed.) Citation
Latham-Koenig, Christina, et al. American English File: Teacher's Book 1. 2a ed. Oxford University Press, 2017.
Warning: These citations may not always be 100% accurate.