Dos 5: a developer's guide : advanced programming guide to dos.

MLA

Williams, Al. Dos 5: a Developer's Guide : Advanced Programming Guide to Dos. Redwood City: M and T, 1991.

APA

Williams, A. (1991). Dos 5: a developer's guide : advanced programming guide to dos. Redwood City: M and T.

Chicago

Williams, Al, Dos 5: a Developer's Guide: Advanced Programming Guide to Dos. Redwood City: M and T, 1991.