Halpern, S. W., Port, K. L., & Seymore, S. B. (2015). Fundamentals of United States intellectual property law: Copyright, patent, trademark (Fifth edition.). Kluwer Law International.
Chicago Style (17th ed.) CitationHalpern, Sheldon W., Kenneth L. Port, and Sean B. Seymore. Fundamentals of United States Intellectual Property Law: Copyright, Patent, Trademark. Fifth edition. Alphen aan den Rijn, The Netherlands: Kluwer Law International, 2015.
MLA (8th ed.) CitationHalpern, Sheldon W., et al. Fundamentals of United States Intellectual Property Law: Copyright, Patent, Trademark. Fifth edition. Kluwer Law International, 2015.
Warning: These citations may not always be 100% accurate.