Cita APA (7a ed.)

Christie, A. (1956). Dead Man's Folly. Fontana.

Cita Chicago Style (17a ed.)

Christie, Agatha. Dead Man's Folly. [Great Britain]: Fontana, 1956.

Cita MLA (9a ed.)

Christie, Agatha. Dead Man's Folly. Fontana, 1956.