Cita APA

Foster, F. H., & Shook, R. L. (1993). Patents, Copyrights & trademarks (2nd ed.). Wiley.

Citación estilo Chicago

Foster, Frank H., and Robert L. Shook. Patents, Copyrights & Trademarks. 2nd ed. New York: Wiley, 1993.

Cita MLA

Foster, Frank H., and Robert L. Shook. Patents, Copyrights & Trademarks. 2nd ed. Wiley, 1993.