Cita APA

Langacker, R. W., & Langacker, R. W. (2013). Essentials of cognitive grammar. Oxford, New York: Oxford University Press.

Citación estilo Chicago

Langacker, Ronald W., y Ronald W. Langacker. Essentials of Cognitive Grammar. Oxford, New York: Oxford University Press, 2013.

Cita MLA

Langacker, Ronald W., y Ronald W. Langacker. Essentials of Cognitive Grammar. Oxford, New York: Oxford University Press, 2013.