Citazione Stile APA (7a Edizione)

Tsichritzis, D. C., & Bernstein, P. A. j. a. (1974). Operating systems. Academic Press.

Citazione stile Chigago Style (17a edizione)

Tsichritzis, Dionysios C., e Philip A. joint author Bernstein. Operating Systems. New York: Academic Press, 1974.

Citatione MLA (9a ed.)

Tsichritzis, Dionysios C., e Philip A. joint author Bernstein. Operating Systems. Academic Press, 1974.