APA (7th ed.) Citation

Langacker, R. W. (2009). Investigations in cognitive grammar. Mouton de Gruyter.

Chicago Style (17th ed.) Citation

Langacker, Ronald W. Investigations in Cognitive Grammar. Berlin [u.a.]: Mouton de Gruyter, 2009.

MLA (9th ed.) Citation

Langacker, Ronald W. Investigations in Cognitive Grammar. Mouton de Gruyter, 2009.

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