Britton, N. L. (1901). Manual of the flora of the northern states and Canada. H. Holt and co..
Chicago Style (17th ed.) CitationBritton, Nathaniel Lord. Manual of the Flora of the Northern States and Canada. New York: H. Holt and co., 1901.
MLA (9th ed.) CitationBritton, Nathaniel Lord. Manual of the Flora of the Northern States and Canada. H. Holt and co., 1901.
Warning: These citations may not always be 100% accurate.