APA (7th ed.) Citation

Frankl, G. (2001). Foundations of morality: An investigation into the origin and purpose of moral concepts (1. publ.). Open Gate Press.

Chicago Style (17th ed.) Citation

Frankl, George. Foundations of Morality: An Investigation into the Origin and Purpose of Moral Concepts. 1. publ. London: Open Gate Press, 2001.

MLA (9th ed.) Citation

Frankl, George. Foundations of Morality: An Investigation into the Origin and Purpose of Moral Concepts. 1. publ. Open Gate Press, 2001.