APA (7th ed.) Citation

Funk, R., Day, S., & McMahan, E. (1991). The elements of grammar for writers. Macmillan.

Chicago Style (17th ed.) Citation

Funk, Robert, Susan Day, and Elizabeth McMahan. The Elements of Grammar for Writers. New York: Macmillan, 1991.

MLA (9th ed.) Citation

Funk, Robert, et al. The Elements of Grammar for Writers. Macmillan, 1991.