APA Edition Citation

Heines, T. S., Kurzban, S. A., & Sayers, A. P. (1986). Operating system principles (Ed.2.).

Chicago Edition Citation

Heines, Thomas S., Stanley A. Kurzban, and Anthony P. Sayers. Operating System Principles. Ed.2. New Delhi, C B S, 1986.

MLA Edition Citation

Heines, Thomas S., et al. Operating System Principles. Ed.2. 1986.