APA (7th ed.) Citation

Ragan, M. A. (2023). Kingdoms, empires, and domains: The history of high-level biological classification. Oxford University Press.

Chicago Style (17th ed.) Citation

Ragan, Mark A. Kingdoms, Empires, and Domains: The History of High-level Biological Classification. New York, NY: Oxford University Press, 2023.

MLA (9th ed.) Citation

Ragan, Mark A. Kingdoms, Empires, and Domains: The History of High-level Biological Classification. Oxford University Press, 2023.