Cita APA (7a ed.)

Knopf, R. (1999). The Theater and cinema of Buster Keaton. Princeton University.

Cita Chicago Style (17a ed.)

Knopf, Robert. The Theater and Cinema of Buster Keaton. Princeton: Princeton University, 1999.

Cita MLA (9a ed.)

Knopf, Robert. The Theater and Cinema of Buster Keaton. Princeton University, 1999.