APA (7th ed.) Citation

Fromkin, V., Rodman, R., & Hyams, N. M. (2011). Introduction to linguistics (Philippine edition.). Cengage Learning Asia Pte Ltd.

Chicago Style (17th ed.) Citation

Fromkin, Victoria, Robert Rodman, and Nina M. Hyams. Introduction to Linguistics. Philippine edition. Singapore: Cengage Learning Asia Pte Ltd, 2011.

MLA (9th ed.) Citation

Fromkin, Victoria, et al. Introduction to Linguistics. Philippine edition. Cengage Learning Asia Pte Ltd, 2011.