APA (7th ed.) Citation

Dunbar, C., Dunbar, G. D. S., & Rorabacher, L. E. (1997). Assignments in exposition (12th ed.). Longman.

Chicago Style (17th ed.) Citation

Dunbar, Clement, Georgia Dolfield Sherwood Dunbar, and Louise Elizabeth Rorabacher. Assignments in Exposition. 12th ed. New York: Longman, 1997.

MLA (9th ed.) Citation

Dunbar, Clement, et al. Assignments in Exposition. 12th ed. Longman, 1997.