APA (7th ed.) Citation

Berdan, R. H. (1975). On the nature of linguistic variation.

Chicago Style (17th ed.) Citation

Berdan, Robert H. On the Nature of Linguistic Variation. 1975.

MLA (9th ed.) Citation

Berdan, Robert H. On the Nature of Linguistic Variation. 1975.

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