Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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