Cita APA (7th ed.)

Wagar, W. W. (1973). Books in world history: A guide for teachers and students. Indiana University Press.

Cita Chicago (17th ed.)

Wagar, W. Warren. Books in World History: A Guide for Teachers and Students. Bloomington: Indiana University Press, 1973.

Cita MLA (9th ed.)

Wagar, W. Warren. Books in World History: A Guide for Teachers and Students. Indiana University Press, 1973.