Cita APA (7a ed.)

Ungerer, F., & Schmid, H. (1996). An introduction to cognitive linguistics. Longman.

Cita Chicago Style (17a ed.)

Ungerer, Friedrich, y Hans-Jörg Schmid. An Introduction to Cognitive Linguistics. Harlow [etc.]: Longman, 1996.

Cita MLA (9a ed.)

Ungerer, Friedrich, y Hans-Jörg Schmid. An Introduction to Cognitive Linguistics. Longman, 1996.