Cita APA (7a ed.)

Packard, W. (1987). The art of screenwriting: Story, script, markets (4th printing.). Paragon House Publishers.

Cita Chicago Style (17a ed.)

Packard, William. The Art of Screenwriting: Story, Script, Markets. 4th printing. New York: Paragon House Publishers, 1987.

Cita MLA (9a ed.)

Packard, William. The Art of Screenwriting: Story, Script, Markets. 4th printing. Paragon House Publishers, 1987.