Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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