APA (7th ed.) Citation

Somerson, P. (1990). PC magazine DOS power tools: Techniques and utilities (2nd ed.). Bantam Books.

Chicago Style (17th ed.) Citation

Somerson, Paul. PC Magazine DOS Power Tools: Techniques and Utilities. 2nd ed. Toronto; New York: Bantam Books, 1990.

MLA (9th ed.) Citation

Somerson, Paul. PC Magazine DOS Power Tools: Techniques and Utilities. 2nd ed. Bantam Books, 1990.