APA (7th ed.) Citation
Thomas, R. M. (1991). Dos 5: Instant reference, for versions 3.3 and 5.0. Sybex.
Chicago Style (17th ed.) Citation
Thomas, Robert M. Dos 5: Instant Reference, for Versions 3.3 and 5.0. San Francisco: Sybex, 1991.
MLA (9th ed.) Citation
Thomas, Robert M. Dos 5: Instant Reference, for Versions 3.3 and 5.0. Sybex, 1991.
Warning: These citations may not always be 100% accurate.