Cita APA (7a ed.)

Howell, M., & Ford, P. (1980). The true history of the Elephant Man. Penguin Books.

Cita Chicago Style (17a ed.)

Howell, Michael, y Peter Ford. The True History of the Elephant Man. Middlesex: Penguin Books, 1980.

Cita MLA (9a ed.)

Howell, Michael, y Peter Ford. The True History of the Elephant Man. Penguin Books, 1980.