Bergman, I. (1967). Film trilogy. The Orion Press.
Cita Chicago (17th ed.)Bergman, Ingmar. Film Trilogy. Nueva York: The Orion Press, 1967.
Cita MLA (9th ed.)Bergman, Ingmar. Film Trilogy. The Orion Press, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.