Cita APA (7th ed.)

Guillaume, G., Hirtle, W., & Hewson, J. (1984). Foundations for a science of language. J. Benjamins.

Cita Chicago (17th ed.)

Guillaume, Gustave, Walter Hirtle, i John Hewson. Foundations for a Science of Language. Amsterdam ; Philadelphia: J. Benjamins, 1984.

Cita MLA (9th ed.)

Guillaume, Gustave, et al. Foundations for a Science of Language. J. Benjamins, 1984.