APA (7th ed.) Citation

Langacker, R. W. (1987). Foundations of cognitive grammar. Stanford University Press.

Chicago Style (17th ed.) Citation

Langacker, Ronald W. Foundations of Cognitive Grammar. Stanford: Stanford University Press, 1987.

MLA (9th ed.) Citation

Langacker, Ronald W. Foundations of Cognitive Grammar. Stanford University Press, 1987.

Warning: These citations may not always be 100% accurate.