Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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