Cita APA (7th ed.)

Lessing, D. M. (1973). The summer before the dark. Bantam Books.

Cita Chicago (17th ed.)

Lessing, Doris May. The Summer Before the Dark. New York: Bantam Books, 1973.

Cita MLA (9th ed.)

Lessing, Doris May. The Summer Before the Dark. Bantam Books, 1973.