Cita APA

Semper, I. J. (1939). The battle of the books. National Organization for Decent Literature.

Chicago Style (17th ed.) Citation

Semper, Isidore Joseph. The Battle of the Books. Dubuque, Iowa: National Organization for Decent Literature, 1939.

Cita MLA

Semper, Isidore Joseph. The Battle of the Books. National Organization for Decent Literature, 1939.