Cita APA (7th ed.)

Portnoy, K. (1998). Screen adaptation: A scriptwriting handbook (2nd ed.). Focal Press.

Cita Chicago (17th ed.)

Portnoy, Kenneth. Screen Adaptation: A Scriptwriting Handbook. 2nd ed. Boston ; Oxford: Focal Press, 1998.

Cita MLA (8th ed.)

Portnoy, Kenneth. Screen Adaptation: A Scriptwriting Handbook. 2nd ed. Focal Press, 1998.