APA (7th ed.) Citation

Watkins, F. C., Martin, E. T., & Dillingham, W. B. (1978). Practical English handbook (5. ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Watkins, Floyd C., Edwin T. Martin, and William B. Dillingham. Practical English Handbook. 5. ed. Boston: Houghton Mifflin, 1978.

MLA (9th ed.) Citation

Watkins, Floyd C., et al. Practical English Handbook. 5. ed. Houghton Mifflin, 1978.