APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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