APA (7th ed.) Citation

Fiesenheiser, E. I., Budenholzer, R. A., & Fisher, B. A. (1963). Versalog slide rule instruction manual. Frederick Post Company.

Chicago Style (17th ed.) Citation

Fiesenheiser, E. I., R. A. Budenholzer, and B. A. Fisher. Versalog Slide Rule Instruction Manual. Illinois: Frederick Post Company, 1963.

MLA (8th ed.) Citation

Fiesenheiser, E. I., et al. Versalog Slide Rule Instruction Manual. Frederick Post Company, 1963.