APA (7th ed.) Citation

Ledgard, H. F. (1975). Programming proverbs. Hayden Book Co..

Chicago Style (17th ed.) Citation

Ledgard, Henry F. Programming Proverbs. Rochelle Park, N.J.: Hayden Book Co., 1975.

MLA (8th ed.) Citation

Ledgard, Henry F. Programming Proverbs. Hayden Book Co., 1975.