APA (7th ed.) Citation

Simpson, J. Y. (1925). The spiritual interpretation of nature (4th ed.). Doran.

Chicago Style (17th ed.) Citation

Simpson, James Young. The Spiritual Interpretation of Nature. 4th ed. New York: Doran, 1925.

MLA (9th ed.) Citation

Simpson, James Young. The Spiritual Interpretation of Nature. 4th ed. Doran, 1925.