Cita APA (7a ed.)

Willey, A. (1930). Lectures on Darwinism. R.G. Badger.

Cita Chicago Style (17a ed.)

Willey, Arthur. Lectures on Darwinism. Boston: R.G. Badger, 1930.

Cita MLA (8a ed.)

Willey, Arthur. Lectures on Darwinism. R.G. Badger, 1930.