APA (7th ed.) Citation

Singleton, M., & Blanc, I. (1993). Learning Word for Windows ver 2 IBM PC. DDC Publicshing.

Chicago Style (17th ed.) Citation

Singleton, Mike, and Iris Blanc. Learning Word for Windows Ver 2 IBM PC. [Chicago, IL.: DDC Publicshing, 1993.

MLA (9th ed.) Citation

Singleton, Mike, and Iris Blanc. Learning Word for Windows Ver 2 IBM PC. DDC Publicshing, 1993.