APA (7th ed.) Citation

Wichler, G. (1961). Charles Darwin: The founder of the theory of evolution and natural selection. Pergamon Press.

Chicago Style (17th ed.) Citation

Wichler, Gerhard. Charles Darwin: The Founder of the Theory of Evolution and Natural Selection. Oxford ; New York: Pergamon Press, 1961.

MLA (9th ed.) Citation

Wichler, Gerhard. Charles Darwin: The Founder of the Theory of Evolution and Natural Selection. Pergamon Press, 1961.