APA (7th ed.) Citation
Lowe, D., & Bultema, P. (1991). The only DOS book you'll ever need: What every hard disk user needs to know about DOS-- and about the utilities that make DOS easier to use. M. Murach & Associates.
Chicago Style (17th ed.) Citation
Lowe, Doug, and Patrick Bultema. The Only DOS Book You'll Ever Need: What Every Hard Disk User Needs to Know About DOS-- and About the Utilities That Make DOS Easier to Use. Fresno, Calif.: M. Murach & Associates, 1991.
MLA (9th ed.) Citation
Lowe, Doug, and Patrick Bultema. The Only DOS Book You'll Ever Need: What Every Hard Disk User Needs to Know About DOS-- and About the Utilities That Make DOS Easier to Use. M. Murach & Associates, 1991.
Warning: These citations may not always be 100% accurate.