APA

Steinbeck J., . (1942). The moon is down: a novel. New York: The Viking Press.

Chicago

Steinbeck John, . 1942. The moon is down: a novel. New York: The Viking Press.

Harvard

Steinbeck J., . (1942). The moon is down: a novel. New York: The Viking Press.

MLA

Steinbeck John, . The moon is down: a novel. New York: The Viking Press. 1942.