Cita APA (7a ed.)

Langacker, R. W. (1991). Foundations of cognitive grammar. Stanford University Press.

Cita Chicago Style (17a ed.)

Langacker, Ronald W. Foundations of Cognitive Grammar. Stanford: Stanford University Press, 1991.

Cita MLA (9a ed.)

Langacker, Ronald W. Foundations of Cognitive Grammar. Stanford University Press, 1991.