Cita APA

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

Citación estilo Chicago

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

Cita MLA

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