APA

Casler L., . (1974). Is marriage necessary?. New York: Human Sciences Press.

Chicago

Casler Lawrence, . 1974. Is marriage necessary?. New York: Human Sciences Press.

Harvard

Casler L., . (1974). Is marriage necessary?. New York: Human Sciences Press.

MLA

Casler Lawrence, . Is marriage necessary?. New York: Human Sciences Press. 1974.