APA (7th ed.) Citation

(1981). Guide to word processing system 1981/2. Caomputer Guide.

Chicago Style (17th ed.) Citation

Guide to Word Processing System 1981/2. London: Caomputer Guide, 1981.

MLA (8th ed.) Citation

Guide to Word Processing System 1981/2. Caomputer Guide, 1981.

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