Cita APA (7th ed.)

VanPatten, B., Keating, G. D., & Wulff, S. (2020). Theories in second language acquisition: An introduction (Third edition.). Routledge.

Cita Chicago (17th ed.)

VanPatten, Bill, Gregory D. Keating, i Stefanie Wulff. Theories in Second Language Acquisition: An Introduction. Third edition. New York, USA: Routledge, 2020.

Cita MLA (9th ed.)

VanPatten, Bill, et al. Theories in Second Language Acquisition: An Introduction. Third edition. Routledge, 2020.