APA (7th ed.) Citation

Butterworth, E., & Low, R. (1983). Amazon parrots. D'Erlanger-Basilisk.

Chicago Style (17th ed.) Citation

Butterworth, Elizabeth, and Rosemary Low. Amazon Parrots. London: D'Erlanger-Basilisk, 1983.

MLA (9th ed.) Citation

Butterworth, Elizabeth, and Rosemary Low. Amazon Parrots. D'Erlanger-Basilisk, 1983.