APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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