Britton, N. L., & Brown, A. (1913). An illustrated flora of the northern United States, Canada and the British possessions: From Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic ocean westward to the 102d meridian (2d ed.--rev. and enl ..). C. Scribner's sons.
Chicago Style (17th ed.) CitationBritton, Nathaniel Lord, and Addison Brown. An Illustrated Flora of the Northern United States, Canada and the British Possessions: From Newfoundland to the Parallel of the Southern Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d Meridian. 2d ed.--rev. and enl .. New York: C. Scribner's sons, 1913.
MLA (9th ed.) CitationBritton, Nathaniel Lord, and Addison Brown. An Illustrated Flora of the Northern United States, Canada and the British Possessions: From Newfoundland to the Parallel of the Southern Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d Meridian. 2d ed.--rev. and enl .. C. Scribner's sons, 1913.