APA (7th ed.) Citation

Haeckel, E., & McCabe, J. (1910). The evolution of man: A popular scientific study. Watts.

Chicago Style (17th ed.) Citation

Haeckel, Ernst, and Joseph McCabe. The Evolution of Man: A Popular Scientific Study. London: Watts, 1910.

MLA (8th ed.) Citation

Haeckel, Ernst, and Joseph McCabe. The Evolution of Man: A Popular Scientific Study. Watts, 1910.