Cita APA

Feiffer, J. (1976). Knock knock: A comedy in three acts. London: Samuel French, Inc..

Citación estilo Chicago

Feiffer, Jules. Knock Knock: A Comedy in Three Acts. London: Samuel French, Inc., 1976.

Cita MLA

Feiffer, Jules. Knock Knock: A Comedy in Three Acts. London: Samuel French, Inc., 1976.

Precaución: Estas citas no son 100% exactas.