Allyn, R. S., Townsend, J. G., & Purnell, F. S. (1934). The first plant patents: A discussion of the new law and Patent office practice; abstracts of 84 patents and history of the law. [Educational Foundations, Inc.].
Chicago Style (17th ed.) CitationAllyn, Robert Starr, John G. Townsend, and Fred Sampson Purnell. The First Plant Patents: A Discussion of the New Law and Patent Office Practice; Abstracts of 84 Patents and History of the Law. [Brooklyn]: [Educational Foundations, Inc.], 1934.
MLA (9th ed.) CitationAllyn, Robert Starr, et al. The First Plant Patents: A Discussion of the New Law and Patent Office Practice; Abstracts of 84 Patents and History of the Law. [Educational Foundations, Inc.], 1934.
Warning: These citations may not always be 100% accurate.