Citazione Stile APA (7a Edizione)

Rickman, A. (1967). Signal and code: Ilustrated report. School of Graphics Chelsea.

Citazione stile Chigago Style (17a edizione)

Rickman, Alan. Signal and Code: Ilustrated Report. Londres: School of Graphics Chelsea, 1967.

Citatione MLA (9a ed.)

Rickman, Alan. Signal and Code: Ilustrated Report. School of Graphics Chelsea, 1967.