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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBritton, Nathaniel Lord, और 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBritton, Nathaniel Lord, और 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.