Cita APA (7a ed.)

Ludwig, E. (1937). Cleopatra the story of a Queen. The Viking Press.

Cita Chicago Style (17a ed.)

Ludwig, Emil. Cleopatra the Story of a Queen. New York, Estados Unidos: The Viking Press, 1937.

Cita MLA (9a ed.)

Ludwig, Emil. Cleopatra the Story of a Queen. The Viking Press, 1937.