APA (7th ed.) Citation

Ritter, W. E. (1919). The unity of the organism: Or, The organismal conception of life. R.G. Badger.

Chicago Style (17th ed.) Citation

Ritter, William Emerson. The Unity of the Organism: Or, The Organismal Conception of Life. Boston: R.G. Badger, 1919.

MLA (9th ed.) Citation

Ritter, William Emerson. The Unity of the Organism: Or, The Organismal Conception of Life. R.G. Badger, 1919.