APA (7th ed.) Citation

Aho, A. V. (1988). The AWK programming language. Addison-Wesley Pub. Co.

Chicago Style (17th ed.) Citation

Aho, Alfred V. The AWK Programming Language. Reading, Mass: Addison-Wesley Pub. Co, 1988.

MLA (9th ed.) Citation

Aho, Alfred V. The AWK Programming Language. Addison-Wesley Pub. Co, 1988.