APA Citation

Simpson, A. (1991). Mastering WordPerfect 5.1 for DOS. San Francisco: SYBEX.

Chicago Style Citation

Simpson, Alan. Mastering WordPerfect 5.1 for DOS. San Francisco: SYBEX, 1991.

MLA Citation

Simpson, Alan. Mastering WordPerfect 5.1 for DOS. San Francisco: SYBEX, 1991.

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