United States. Bureau of Fisheries. (1939). Artificial propagation of book trout and rainbow trout, with notes on 3 other species. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Fisheries. Artificial Propagation of Book Trout and Rainbow Trout, with Notes on 3 Other Species. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Bureau of Fisheries. Artificial Propagation of Book Trout and Rainbow Trout, with Notes on 3 Other Species. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.