APA (7th ed.) Citation

Trudgill, P. (1995). Sociolinguistics: An introduction to language and society (Rev. ed. (3rd ed.).). Penguin Books.

Chicago Style (17th ed.) Citation

Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. Rev. ed. (3rd ed.). Harmondsworth: Penguin Books, 1995.

MLA (9th ed.) Citation

Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. Rev. ed. (3rd ed.). Penguin Books, 1995.