APA (7th ed.) Citation

Wilcox, G. W., & Butler, C. H. (1962). Industrial calculating devices. Holt.

Chicago Style (17th ed.) Citation

Wilcox, Glade W., and Charles H. Butler. Industrial Calculating Devices. [New York]: Holt, 1962.

MLA (9th ed.) Citation

Wilcox, Glade W., and Charles H. Butler. Industrial Calculating Devices. Holt, 1962.