Cita APA (7th ed.)
Rogal, S. J. (1997). A William Somerset Maugham encyclopedia. Greenwood Press.
Cita Chicago (17th ed.)
Rogal, Samuel J. A William Somerset Maugham Encyclopedia. Westport, Conn.: Greenwood Press, 1997.
Cita MLA (9th ed.)
Rogal, Samuel J. A William Somerset Maugham Encyclopedia. Greenwood Press, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.