APA (7th ed.) Citation

Calingaert, P. (1982). Operating system elements: A user perspective. Prentice-Hall.

Chicago Style (17th ed.) Citation

Calingaert, Peter. Operating System Elements: A User Perspective. Englewood Cliffs, N.J: Prentice-Hall, 1982.

MLA (9th ed.) Citation

Calingaert, Peter. Operating System Elements: A User Perspective. Prentice-Hall, 1982.