APA (7th ed.) Citation

Haeckel, E. (1897). The evolution of man: A popular exposition of the principal points of human ontogeny and phylogeny. D. Appleton and company.

Chicago Style (17th ed.) Citation

Haeckel, Ernst. The Evolution of Man: A Popular Exposition of the Principal Points of Human Ontogeny and Phylogeny. New York: D. Appleton and company, 1897.

MLA (9th ed.) Citation

Haeckel, Ernst. The Evolution of Man: A Popular Exposition of the Principal Points of Human Ontogeny and Phylogeny. D. Appleton and company, 1897.