APA (7th ed.) Citation

Sobel, R., & Francis, D. (1977). Chaplin: Genesis of a clown. Quartet Books.

Chicago Style (17th ed.) Citation

Sobel, Raoul, and David Francis. Chaplin: Genesis of a Clown. London ; New York: Quartet Books, 1977.

MLA (9th ed.) Citation

Sobel, Raoul, and David Francis. Chaplin: Genesis of a Clown. Quartet Books, 1977.