APA-referens

(1961). Charles Babbage on the principles and development of the calculator: And other seminal writings. New York: Dover Publications.

Chicago-stil citat

Charles Babbage On the Principles and Development of the Calculator: And Other Seminal Writings. New York: Dover Publications, 1961.

MLA-referens

Charles Babbage On the Principles and Development of the Calculator: And Other Seminal Writings. New York: Dover Publications, 1961.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.