Christie, A. (1966). Dead man's folly (3rd print.). Pocket Books.
Cita Chicago Style (17a ed.)Christie, Agatha. Dead Man's Folly. 3rd print. New York: Pocket Books, 1966.
Cita MLA (9a ed.)Christie, Agatha. Dead Man's Folly. 3rd print. Pocket Books, 1966.
Precaución: Estas citas no son 100% exactas.