APA (7th ed.) Zitazioa

Steinbeck, J. (1942). The moon is down. William Heinemann.

Chicago Style (17th ed.) Zitazioa

Steinbeck, John. The Moon Is Down. Londres: William Heinemann, 1942.

MLA (9th ed.) Zitazioa

Steinbeck, John. The Moon Is Down. William Heinemann, 1942.