Gray, A. 1. (1856). Manual of the botany of the Northern United States: Including Virginia, Kentucky, and all east of the Mississippi, arranged according to the natural system (Second edition.). New York: George P. Putnam & Co..
Chicago Style CitationGray, Asa 1810-1888. Manual of the Botany of the Northern United States: Including Virginia, Kentucky, and All East of the Mississippi, Arranged According to the Natural System. Second edition. New York: George P. Putnam & Co., 1856.
MLA CitationGray, Asa 1810-1888. Manual of the Botany of the Northern United States: Including Virginia, Kentucky, and All East of the Mississippi, Arranged According to the Natural System. Second edition. New York: George P. Putnam & Co., 1856.
Warning: These citations may not always be 100% accurate.