Cita APA (7th ed.)

Readers Digest Association. (1991). The wildlife year. The Readers Digest Association Limited.

Cita Chicago (17th ed.)

Readers Digest Association. The Wildlife Year. London, New York: The Readers Digest Association Limited, 1991.

Cita MLA (9th ed.)

Readers Digest Association. The Wildlife Year. The Readers Digest Association Limited, 1991.