APA (7th ed.) Citation

Brown, P. J., Szilard, P., & Weeks, S. (1985). Introduction to PC/IX and PC/XENIX.

Chicago Style (17th ed.) Citation

Brown, P. J., Paul Szilard, and Stephen Weeks. Introduction to PC/IX and PC/XENIX. 1985.

MLA (9th ed.) Citation

Brown, P. J., et al. Introduction to PC/IX and PC/XENIX. 1985.