APA (7th ed.) Citation

Huxley, J. (1912). The individual in the animal kingdom. University press; G. P. Putnam's sons.

Chicago Style (17th ed.) Citation

Huxley, Julian. The Individual in the Animal Kingdom. Cambridge [England] : New York: University press; G. P. Putnam's sons, 1912.

MLA (9th ed.) Citation

Huxley, Julian. The Individual in the Animal Kingdom. University press; G. P. Putnam's sons, 1912.