Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Gordon. PAST Opproach to Cybernetics. Hutchinson, 1961.