APA (7th ed.) Citation

Gulstad, D. E. (1973). A modern theory of langue. Mouton.

Chicago Style (17th ed.) Citation

Gulstad, Daniel E. A Modern Theory of Langue. The Hague: Mouton, 1973.

MLA (9th ed.) Citation

Gulstad, Daniel E. A Modern Theory of Langue. Mouton, 1973.

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