Cita APA

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

Citación estilo Chicago

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.

Warning: These citations may not always be 100% accurate.