APA Style

Holmes, Janet. (2001). An introduction to sociolinguistics (Ed.2). London: Pearson education.

Chicago Style

Holmes, Janet. An introduction to sociolinguistics. Ed.2 London: Pearson education, 2001. Text.

MLA Style

Holmes, Janet. An introduction to sociolinguistics. Ed.2 London: Pearson education, 2001. Text.

Turabian Style

Holmes, Janet. An introduction to sociolinguistics. Ed.2 London: Pearson education, 2001. Print.