APA (7th ed.) Zitazioa

Wesson, R. (2017). Darwin´s first theory: Exploring Darwin's quest to find a theory of the earth. Pegasus Books.

Chicago Style (17th ed.) Zitazioa

Wesson, Rob. Darwin´s First Theory: Exploring Darwin's Quest to Find a Theory of the Earth. New York, NY., USA: Pegasus Books, 2017.

MLA (9th ed.) Zitazioa

Wesson, Rob. Darwin´s First Theory: Exploring Darwin's Quest to Find a Theory of the Earth. Pegasus Books, 2017.