Cita APA

Richards, J. C., & Schmidt, R. (2010). Longman dictionary of language teaching and applied linguistics. (4a. ed.). Harlow, England: Longman.

Citación estilo Chicago

Richards, Jack C., y Richard Schmidt. Longman Dictionary of Language Teaching and Applied Linguistics. 4a. ed. Harlow, England: Longman, 2010.

Cita MLA

Richards, Jack C., y Richard Schmidt. Longman Dictionary of Language Teaching and Applied Linguistics. 4a. ed. Harlow, England: Longman, 2010.