Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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