APA (7th ed.) Citation

Watkins, F. C., Dillingham, W. B., & Martin, E. T. (1974). Practical English handbook (4th ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Watkins, Floyd C., William B. Dillingham, and Edwin Thomas Martin. Practical English Handbook. 4th ed. Boston: Houghton Mifflin, 1974.

MLA (9th ed.) Citation

Watkins, Floyd C., et al. Practical English Handbook. 4th ed. Houghton Mifflin, 1974.