APA Style

Brown, H, D., Lee, H. (2025). Principles of language learning and teaching: a course in second language acquisition seventh edition (Ed. 7). New York: Routledge.

MLA Style

Brown, H., Douglas., Lee, Heekyeong. "Principles of language learning and teaching: a course in second language acquisition seventh edition". Ed. 7 New York: Routledge, 2025. Text.