Cita APA (7th ed.)

Schmidt, O. (1875). The doctrine of descent and darwinism. With twenty-six woodcuts. Second edition (2a. ed.). Henry S. King & Co.

Cita Chicago (17th ed.)

Schmidt, Oscar. The Doctrine of Descent and Darwinism. With Twenty-six Woodcuts. Second Edition. 2a. ed. Londres: Henry S. King & Co, 1875.

Cita MLA (9th ed.)

Schmidt, Oscar. The Doctrine of Descent and Darwinism. With Twenty-six Woodcuts. Second Edition. 2a. ed. Henry S. King & Co, 1875.