APA (7th ed.) Citation

Simpson, A. (1987). dBase III plus: Programmer's reference guide. Sybex.

Chicago Style (17th ed.) Citation

Simpson, Alan. DBase III Plus: Programmer's Reference Guide. San Francisco: Sybex, 1987.

MLA (8th ed.) Citation

Simpson, Alan. DBase III Plus: Programmer's Reference Guide. Sybex, 1987.

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