APA (7th ed.) Zitazioa

Gordon. (1961). PAST opproach to cybernetics. Hutchinson.

Chicago Style (17th ed.) Zitazioa

Gordon. PAST Opproach to Cybernetics. London: Hutchinson, 1961.

MLA (9th ed.) Zitazioa

Gordon. PAST Opproach to Cybernetics. Hutchinson, 1961.