Citazione Stile APA (7a Edizione)

Karch, R. R. (1957). Study guide for graphic arts procedures (6th printing.). American Technical Society.

Citazione stile Chigago Style (17a edizione)

Karch, Robert Randolph. Study Guide for Graphic Arts Procedures. 6th printing. Chicago: American Technical Society, 1957.

Citatione MLA (9a ed.)

Karch, Robert Randolph. Study Guide for Graphic Arts Procedures. 6th printing. American Technical Society, 1957.