Yocom, C. F. (1964). Shrubs of Crater Lake National Park. Crater Lake Natural History Association.
Chicago Style (17th ed.) CitationYocom, Charles Frederick. Shrubs of Crater Lake National Park. [Crater Lake, Or.]: Crater Lake Natural History Association, 1964.
MLA (9th ed.) CitationYocom, Charles Frederick. Shrubs of Crater Lake National Park. Crater Lake Natural History Association, 1964.
Warning: These citations may not always be 100% accurate.