Cita APA

Babbage, C., Morrison, P., & Morrison, E. (1961). Charles Babbage and his calculating engines: Selected writings. Dover.

Citación estilo Chicago

Babbage, Charles, Philip Morrison, and Emily Morrison. Charles Babbage and His Calculating Engines: Selected Writings. New York: Dover, 1961.

Cita MLA

Babbage, Charles, Philip Morrison, and Emily Morrison. Charles Babbage and His Calculating Engines: Selected Writings. New York: Dover, 1961.