APA (7th ed.) Citation

Gleason, H. A. (1968). An introduction to descriptive Linguistics (2nd ed.). Oxford and IBH.

Chicago Style (17th ed.) Citation

Gleason, H. A. An Introduction to Descriptive Linguistics. 2nd ed. NewDelhi: Oxford and IBH, 1968.

MLA (9th ed.) Citation

Gleason, H. A. An Introduction to Descriptive Linguistics. 2nd ed. Oxford and IBH, 1968.