APA (7th ed.) Citation

O'Grady, W., Archibald, J., & Katamba, F. (2011). Contemporary linguistics : an introduction: An introduction (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

O'Grady, William, John Archibald, and Francis Katamba. Contemporary Linguistics : An Introduction: An Introduction. 2nd ed. Harlow: Longman, 2011.

MLA (9th ed.) Citation

O'Grady, William, et al. Contemporary Linguistics : An Introduction: An Introduction. 2nd ed. Longman, 2011.

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