APA (7th ed.) Citation

Hewlett Packard Company. (1980). The HP-41C/41CV alphanumeric full performance programmable calculator: Owner's handbook and programming guide. Hewlett Packard.

Chicago Style (17th ed.) Citation

Hewlett Packard Company. The HP-41C/41CV Alphanumeric Full Performance Programmable Calculator: Owner's Handbook and Programming Guide. Corvallis, Oregon: Hewlett Packard, 1980.

MLA (9th ed.) Citation

Hewlett Packard Company. The HP-41C/41CV Alphanumeric Full Performance Programmable Calculator: Owner's Handbook and Programming Guide. Hewlett Packard, 1980.