APA Style

Silberschatz, A, P, J, &, G, P. (1991). Operating System Concepts (3rd Edition). Philippines: Addison-Wesley Publishing Company.

MLA Style

Silberschatz, A.;, Peterson, J.;, &, Galvin, P.. "Operating System Concepts". 3rd Edition Philippines: Addison-Wesley Publishing Company, 1991. Text.