Cita APA (7th ed.)

Alderton, D. (2014). The World Encyclopedia of Birds. Hermes House.

Cita Chicago (17th ed.)

Alderton, David. The World Encyclopedia of Birds. London: Hermes House, 2014.

Cita MLA (9th ed.)

Alderton, David. The World Encyclopedia of Birds. Hermes House, 2014.