Cita APA (7a ed.)

Champlin, C. (1992). George Lucas, the creative impulse: Lucasfilm's twenty years. Virgin Books.

Cita Chicago Style (17a ed.)

Champlin, Charles. George Lucas, the Creative Impulse: Lucasfilm's Twenty Years. London: Virgin Books, 1992.

Cita MLA (9a ed.)

Champlin, Charles. George Lucas, the Creative Impulse: Lucasfilm's Twenty Years. Virgin Books, 1992.