APA (7th ed.) Citation

Haeckel, E. (1896). The evolution of man: A popular exposition of the principal points of human ontology and philogeny. D. Appleton.

Chicago Style (17th ed.) Citation

Haeckel, Ernest. The Evolution of Man: A Popular Exposition of the Principal Points of Human Ontology and Philogeny. D. Appleton, 1896.

MLA (8th ed.) Citation

Haeckel, Ernest. The Evolution of Man: A Popular Exposition of the Principal Points of Human Ontology and Philogeny. D. Appleton, 1896.

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