APA (7th ed.) Citation

Cook, L. B., Loban, W., & Stauffer, R. M. (1948). People in literature. Harcourt, Brace.

Chicago Style (17th ed.) Citation

Cook, Luella B., Walter Loban, and Ruth Matilda Stauffer. People in Literature. New York: Harcourt, Brace, 1948.

MLA (9th ed.) Citation

Cook, Luella B., et al. People in Literature. Harcourt, Brace, 1948.