APA (7th ed.) Citation

Spencer, H. (1847). A theory of population, deduced from the general law of animal fertility. [G. Woodfall].

Chicago Style (17th ed.) Citation

Spencer, Herbert. A Theory of Population, Deduced from the General Law of Animal Fertility. [London]: [G. Woodfall], 1847.

MLA (9th ed.) Citation

Spencer, Herbert. A Theory of Population, Deduced from the General Law of Animal Fertility. [G. Woodfall], 1847.