APA (7th ed.) Citation

Cofer, D. B., Gunter, P. G., & Spahr, E. K. (1927). Sophomore English. [Agricultural and Mechanical College of Texas?].

Chicago Style (17th ed.) Citation

Cofer, David Brooks, P. G. Gunter, and E. K. Spahr. Sophomore English. [Bryan, Tex.?]: [Agricultural and Mechanical College of Texas?], 1927.

MLA (9th ed.) Citation

Cofer, David Brooks, et al. Sophomore English. [Agricultural and Mechanical College of Texas?], 1927.