APA (7th ed.) Citation

Diringer, D., & Minns, E. S. (1948). The aplhabet: A key to the history of mankind. Philosophical Library.

Chicago Style (17th ed.) Citation

Diringer, David, and Ellis Sir Minns. The Aplhabet: A Key to the History of Mankind. New York: Philosophical Library, 1948.

MLA (9th ed.) Citation

Diringer, David, and Ellis Sir Minns. The Aplhabet: A Key to the History of Mankind. Philosophical Library, 1948.