Cita APA (7th ed.)

Boulle, P. (1968). An impartial eye. Secker & Warburg.

Cita Chicago (17th ed.)

Boulle, Pierre. An Impartial Eye. London: Secker & Warburg, 1968.

Cita MLA (8th ed.)

Boulle, Pierre. An Impartial Eye. Secker & Warburg, 1968.