APA (7th ed.) Citation

Petersen. (1999). Linux: The complete reference (3rd ed.). Osborne McGraw Hill.

Chicago Style (17th ed.) Citation

Petersen. Linux: The Complete Reference. 3rd ed. New York: Osborne McGraw Hill, 1999.

MLA (8th ed.) Citation

Petersen. Linux: The Complete Reference. 3rd ed. Osborne McGraw Hill, 1999.