Britton, N. L., & Shafer, J. A. (1908). North American trees: Being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies. H. Holt.
Chicago Style (17th ed.) CitationBritton, Nathaniel Lord, and John Adolph Shafer. North American Trees: Being Descriptions and Illustrations of the Trees Growing Independently of Cultivation in North America, North of Mexico and the West Indies. New York: H. Holt, 1908.
MLA (9th ed.) CitationBritton, Nathaniel Lord, and John Adolph Shafer. North American Trees: Being Descriptions and Illustrations of the Trees Growing Independently of Cultivation in North America, North of Mexico and the West Indies. H. Holt, 1908.
Warning: These citations may not always be 100% accurate.