Cita APA (7a ed.)

Barlow, J. (1966). This side of the sky. Penguin Books.

Cita Chicago Style (17a ed.)

Barlow, James. This Side of the Sky. Middlesex: Penguin Books, 1966.

Cita MLA (8a ed.)

Barlow, James. This Side of the Sky. Penguin Books, 1966.