APA (7th ed.) Citation

Gratil, G. C., Maniquis, N. F., Montana, R. S., See, K. O., & Villegas, C. M. A. Z. F. (1996). eXplain: Data con[ferencing] for the X window system.

Chicago Style (17th ed.) Citation

Gratil, Glenn C., Nancy F. Maniquis, Roel S. Montana, Kenneth O. See, and Cyril Ma Alva Zita F. Villegas. EXplain: Data Con[ferencing] for the X Window System. 1996.

MLA (9th ed.) Citation

Gratil, Glenn C., et al. EXplain: Data Con[ferencing] for the X Window System. 1996.