Little, E. L., & Honkala, B. H. (1976). Trees and shrubs of the United States: A bibliography for identification.
Chicago Style (17th ed.) CitationLittle, Elbert L., and Barbara H. Honkala. Trees and Shrubs of the United States: A Bibliography for Identification. 1976.
MLA (9th ed.) CitationLittle, Elbert L., and Barbara H. Honkala. Trees and Shrubs of the United States: A Bibliography for Identification. 1976.
Warning: These citations may not always be 100% accurate.