APA (7th ed.) Citation

Grupe, F. H. (1989). Microcomputer applications: Using wordperfect, lotus -- and dBASE III plus. Wm. C. Brown Publishers.

Chicago Style (17th ed.) Citation

Grupe, Fritz H. Microcomputer Applications: Using Wordperfect, Lotus -- and DBASE III Plus. Iowa: Wm. C. Brown Publishers, 1989.

MLA (9th ed.) Citation

Grupe, Fritz H. Microcomputer Applications: Using Wordperfect, Lotus -- and DBASE III Plus. Wm. C. Brown Publishers, 1989.

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