APA (7th ed.) Citation

Zahn, C. T. (1979). C notes, a guide to the C programming language. Yourdon Press.

Chicago Style (17th ed.) Citation

Zahn, C. T. C Notes, a Guide to the C Programming Language. New York: Yourdon Press, 1979.

MLA (9th ed.) Citation

Zahn, C. T. C Notes, a Guide to the C Programming Language. Yourdon Press, 1979.