APA (7th ed.) Citation

Siegel, C. (1994). Teach yourself.......dBase for Windows.

Chicago Style (17th ed.) Citation

Siegel, Charles. Teach Yourself.......dBase for Windows. Management Information Source Inc, 1994.

MLA (9th ed.) Citation

Siegel, Charles. Teach Yourself.......dBase for Windows. 1994.

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