Cita APA (7th ed.)

Sales, G. (1974). Ultrasonic communication by animals. Chapman and Hall.

Cita Chicago (17th ed.)

Sales, Gillian. Ultrasonic Communication by Animals. London: Chapman and Hall, 1974.

Cita MLA (9th ed.)

Sales, Gillian. Ultrasonic Communication by Animals. Chapman and Hall, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.