APA (7th ed.) Citation

Stultz, R. A. (1990). Learn dBase Programming in a Day. Wordware Publishing.

Chicago Style (17th ed.) Citation

Stultz, Russell A. Learn DBase Programming in a Day. Plano, TX: Wordware Publishing, 1990.

MLA (9th ed.) Citation

Stultz, Russell A. Learn DBase Programming in a Day. Wordware Publishing, 1990.