APA (7th ed.) Citation

Richards, J., Platt, J., & Stenton, A. (1985). Longman dictionary of applied linguistics. Logman.

Chicago Style (17th ed.) Citation

Richards, Jock, John Platt, and Andrian Stenton. Longman Dictionary of Applied Linguistics. Logman, 1985.

MLA (8th ed.) Citation

Richards, Jock, et al. Longman Dictionary of Applied Linguistics. Logman, 1985.