Cita APA (7th ed.)

Ustinov, P. (1961). We were only human (1. Aufl.). Heinemann.

Cita Chicago (17th ed.)

Ustinov, Peter. We Were Only Human. 1. Aufl. London [u.a.]: Heinemann, 1961.

Cita MLA (8th ed.)

Ustinov, Peter. We Were Only Human. 1. Aufl. Heinemann, 1961.