APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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