Cita APA (7th ed.)

Langacker, R. W. (1991). Concept, image, and symbol: The cognitive basis of grammar. Mouton de Gruyter.

Cita Chicago (17th ed.)

Langacker, Ronald W. Concept, Image, and Symbol: The Cognitive Basis of Grammar. Berlin ; New York: Mouton de Gruyter, 1991.

Cita MLA (9th ed.)

Langacker, Ronald W. Concept, Image, and Symbol: The Cognitive Basis of Grammar. Mouton de Gruyter, 1991.