APA (7th ed.) Citation

Lessing, D. M. (1983). The summer before the dark. Vintage Books.

Chicago Style (17th ed.) Citation

Lessing, Doris May. The Summer Before the Dark. New York: Vintage Books, 1983.

MLA (9th ed.) Citation

Lessing, Doris May. The Summer Before the Dark. Vintage Books, 1983.