APA (7th ed.) Citation

Kernighan, B. W., & Ritchie, D. M. (1978). The C programming language. Rainbow-Bridge Co.

Chicago Style (17th ed.) Citation

Kernighan, Brian W., and Dennis M. Ritchie. The C Programming Language. Taiwan: Rainbow-Bridge Co, 1978.

MLA (9th ed.) Citation

Kernighan, Brian W., and Dennis M. Ritchie. The C Programming Language. Rainbow-Bridge Co, 1978.