APA (7th ed.) Citation

Holmes, J. (2001). An introduction to sociolinguistics (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Holmes, Janet. An Introduction to Sociolinguistics. 2nd ed. Harlow, Eng. ; New York: Longman, 2001.

MLA (8th ed.) Citation

Holmes, Janet. An Introduction to Sociolinguistics. 2nd ed. Longman, 2001.