Halpern, S. W., Seymore, S. B., & Port, K. L. (2012). Fundamentals of United States intellectual property law: Copyright, patent, trademark (Fourth edition.). Kluwer Law International.
Chicago Style (17th ed.) CitationHalpern, Sheldon W., Sean B. Seymore, and Kenneth L. Port. Fundamentals of United States Intellectual Property Law: Copyright, Patent, Trademark. Fourth edition. Alphen aan den Rijn, The Netherlands: Kluwer Law International, 2012.
MLA (9th ed.) CitationHalpern, Sheldon W., et al. Fundamentals of United States Intellectual Property Law: Copyright, Patent, Trademark. Fourth edition. Kluwer Law International, 2012.
Warning: These citations may not always be 100% accurate.