APA (7th ed.) Citation

Thomas, A., & Leckie, G. G. (1937). Concerning being and essence: (De ente et essentia). Appleton-Century.

Chicago Style (17th ed.) Citation

Thomas, Aquinas, and George Gaines Leckie. Concerning Being and Essence: (De Ente Et Essentia). New York: Appleton-Century, 1937.

MLA (9th ed.) Citation

Thomas, Aquinas, and George Gaines Leckie. Concerning Being and Essence: (De Ente Et Essentia). Appleton-Century, 1937.