APA (7th ed.) Citation
Steele, P. (1989). 85 dBase IV: User-Defined Functions and Procedures. Windcrest.
Chicago Style (17th ed.) Citation
Steele, Philip. 85 DBase IV: User-Defined Functions and Procedures. [S.l.]: Windcrest, 1989.
MLA (9th ed.) Citation
Steele, Philip. 85 DBase IV: User-Defined Functions and Procedures. Windcrest, 1989.
Warning: These citations may not always be 100% accurate.