Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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