Cita APA (7a ed.)

Battle, L. (1987). A habit of the blood. Penguin Books.

Cita Chicago Style (17a ed.)

Battle, Lois. A Habit of the Blood. New York: Penguin Books, 1987.

Cita MLA (9a ed.)

Battle, Lois. A Habit of the Blood. Penguin Books, 1987.