APA (7th ed.) Citation

Turck, J. A. (1972). Origin of modern calculating machines (Repr. d. Ausg. Chicago 1921.). Arno Pr.

Chicago Style (17th ed.) Citation

Turck, J. A. Origin of Modern Calculating Machines. Repr. d. Ausg. Chicago 1921. New York: Arno Pr, 1972.

MLA (9th ed.) Citation

Turck, J. A. Origin of Modern Calculating Machines. Repr. d. Ausg. Chicago 1921. Arno Pr, 1972.

Warning: These citations may not always be 100% accurate.