APA (7th ed.) Citation

Holmes, J. (2013). An introduction to sociolinguistics (4th ed.). Pearson.

Chicago Style (17th ed.) Citation

Holmes, Janet. An Introduction to Sociolinguistics. 4th ed. Harlow, England: Pearson, 2013.

MLA (8th ed.) Citation

Holmes, Janet. An Introduction to Sociolinguistics. 4th ed. Pearson, 2013.