APA (7th ed.) Citation

Crowner, R. J., & Eckhouse, R. (1993). Contact-management programs. Computer, 26, 104.

Chicago Style (17th ed.) Citation

Crowner, Robert J., and Richard Eckhouse. "Contact-management Programs." Computer 26 (1993): 104.

MLA (9th ed.) Citation

Crowner, Robert J., and Richard Eckhouse. "Contact-management Programs." Computer, vol. 26, 1993, p. 104.