APA (7th ed.) Citation

Diringer, D. (1968). The alphabet: A key to the history of mankind. Hutchinson.

Chicago Style (17th ed.) Citation

Diringer, David. The Alphabet: A Key to the History of Mankind. London: Hutchinson, 1968.

MLA (8th ed.) Citation

Diringer, David. The Alphabet: A Key to the History of Mankind. Hutchinson, 1968.

Warning: These citations may not always be 100% accurate.