Hamrum, C. L. (1983). Darwin's Legacy. Harper & Row.
Cita Chicago (17th ed.)Hamrum, Charles L. Darwin's Legacy. San Francisco: Harper & Row, 1983.
Cita MLA (9th ed.)Hamrum, Charles L. Darwin's Legacy. Harper & Row, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.