Cita APA (7th ed.)

Burton, R. (1990). Bird Feeder Handbook. Dorling Kindersley.

Cita Chicago (17th ed.)

Burton, Robert. Bird Feeder Handbook. London: Dorling Kindersley, 1990.

Cita MLA (9th ed.)

Burton, Robert. Bird Feeder Handbook. Dorling Kindersley, 1990.