APA Edition Citation

Bernard, D. (1977). Charging For Computer Services: Principles and Guidelines. Petrocell.

Chicago Edition Citation

Bernard, Dan. Charging For Computer Services: Principles and Guidelines. New York: Petrocell, 1977.

MLA Edition Citation

Bernard, Dan. Charging For Computer Services: Principles and Guidelines. Petrocell, 1977.

Warning: These citations may not always be 100% accurate.