APA (7th ed.) Citation

Krumm, R. (1985). Understanding and using dBase II and III. Simon and Schuster.

Chicago Style (17th ed.) Citation

Krumm, Rob. Understanding and Using DBase II and III. New York: Simon and Schuster, 1985.

MLA (9th ed.) Citation

Krumm, Rob. Understanding and Using DBase II and III. Simon and Schuster, 1985.