Ihnen, J. L., Gallegos, R. T., & Jondle, R. J. (1987). Intellectual property protection for plants and varieties. Congress of the U.S., Office of Technology Assessment.
Chicago Style (17th ed.) CitationIhnen, Jeffrey L., R. Thomas Gallegos, and Robert J. Jondle. Intellectual Property Protection for Plants and Varieties. [Washington, D.C.?]: Congress of the U.S., Office of Technology Assessment, 1987.
MLA (9th ed.) CitationIhnen, Jeffrey L., et al. Intellectual Property Protection for Plants and Varieties. Congress of the U.S., Office of Technology Assessment, 1987.
Warning: These citations may not always be 100% accurate.