Cita APA (7th ed.)

Isherwood, C. (1969). A Single Man. Penguin Books.

Cita Chicago (17th ed.)

Isherwood, Christopher. A Single Man. Harmondsworth: Penguin Books, 1969.

Cita MLA (8th ed.)

Isherwood, Christopher. A Single Man. Penguin Books, 1969.