APA (7th ed.) Citation

Boas, R. P., & Smth, E. (1925). An introduction to the study of literature. Harcourt.

Chicago Style (17th ed.) Citation

Boas, Ralph Philip, and Edwin Smth. An Introduction to the Study of Literature. New York: Harcourt, 1925.

MLA (9th ed.) Citation

Boas, Ralph Philip, and Edwin Smth. An Introduction to the Study of Literature. Harcourt, 1925.