Cita APA (7a ed.)

Christie, A. (1974). Peril at end house. Pocket Books.

Cita Chicago Style (17a ed.)

Christie, Agatha. Peril at End House. New York: Pocket Books, 1974.

Cita MLA (9a ed.)

Christie, Agatha. Peril at End House. Pocket Books, 1974.