University of Washington, Henderson, L. F., & Gage, S. (1999). Spokane area botanical collections made by Louis F. Henderson, May-July, 1892: (specimens housed at the University of Washington Herbarium).
Chicago Style (17th ed.) CitationUniversity of Washington, Louis F. Henderson, and Sarah Gage. Spokane Area Botanical Collections Made by Louis F. Henderson, May-July, 1892: (specimens Housed at the University of Washington Herbarium). 1999.
MLA (8th ed.) CitationUniversity of Washington, et al. Spokane Area Botanical Collections Made by Louis F. Henderson, May-July, 1892: (specimens Housed at the University of Washington Herbarium). 1999.
Warning: These citations may not always be 100% accurate.