APA (7th ed.) Citation

Prague, C. N., & Hammitt, J. E. (1987). Advanced programming with dBASE III PLUS. Tab Books.

Chicago Style (17th ed.) Citation

Prague, Cary N., and James E. Hammitt. Advanced Programming with DBASE III PLUS. Blue Ridge Summit, PA: Tab Books, 1987.

MLA (9th ed.) Citation

Prague, Cary N., and James E. Hammitt. Advanced Programming with DBASE III PLUS. Tab Books, 1987.