APA način citiranja (7. izdanje)

Oppenheim, C., & Citroen, C. L. (1989). Perspectives in information management 1. Butterworths.

Čikaški stil citiranja (17. izdanje)

Oppenheim, Charles, i Charles L. Citroen. Perspectives in Information Management 1. London: Butterworths, 1989.

MLA način citiranja (9. izdanje)

Oppenheim, Charles, i Charles L. Citroen. Perspectives in Information Management 1. Butterworths, 1989.