Cita APA (7th ed.)

Christie, A. 1. (1980). An autobiography. Fontana.

Cita Chicago (17th ed.)

Christie, Agatha 1890–1976. An Autobiography. Glasgow: Fontana, 1980.

Cita MLA (9th ed.)

Christie, Agatha 1890–1976. An Autobiography. Fontana, 1980.