APA (7th ed.) Citation

Holmes, J. (1992). An introduction to sociolinguistics. Longman.

Chicago Style (17th ed.) Citation

Holmes, Janet. An Introduction to Sociolinguistics. Harlow Essex: Longman, 1992.

MLA (9th ed.) Citation

Holmes, Janet. An Introduction to Sociolinguistics. Longman, 1992.

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