APA (7th ed.) Citation

Gould, J., & Mannering, E. (1964). Gould's Tropical birds. Ariel Press.

Chicago Style (17th ed.) Citation

Gould, John, and Eva Mannering. Gould's Tropical Birds. London: Ariel Press, 1964.

MLA (9th ed.) Citation

Gould, John, and Eva Mannering. Gould's Tropical Birds. Ariel Press, 1964.