APA (7th ed.) Citation

Haeckel, E. (1879). The evolution of man: A popular exposition of the principal points of human ontogeny and phylogeny. D. Appleton.

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, 1879.

MLA (9th ed.) Citation

Haeckel, Ernst. The Evolution of Man: A Popular Exposition of the Principal Points of Human Ontogeny and Phylogeny. D. Appleton, 1879.

Warning: These citations may not always be 100% accurate.