APA Edition Citation

Trudgill, P. . .. (1979). Sociolinguistics: An introduction. Penguin Books.

Chicago Edition Citation

Trudgill, Peter. Sociolinguistics: An Introduction. London: Penguin Books, 1979.

MLA Edition Citation

Trudgill, Peter. Sociolinguistics: An Introduction. Penguin Books, 1979.

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