Cita APA

Gould, S. J. (1977). Ever since Darwin. New York: Penguin Books.

Chicago Style Citation

Gould, Stephen Jay. Ever Since Darwin. New York: Penguin Books, 1977.

Cita MLA

Gould, Stephen Jay. Ever Since Darwin. New York: Penguin Books, 1977.

Atenció: Aquestes cites poden no estar 100% correctes.