APA (7th ed.) Citation

Aitken, P. G. (1994). Teach yourself C in 21 days (2nd ed., bestseller ed.). Sams Pub.

Chicago Style (17th ed.) Citation

Aitken, Peter G. Teach Yourself C in 21 Days. 2nd ed., bestseller ed. Indianapolis, Indiana: Sams Pub, 1994.

MLA (9th ed.) Citation

Aitken, Peter G. Teach Yourself C in 21 Days. 2nd ed., bestseller ed. Sams Pub, 1994.