The 6-class dwarf mistletoe rating system /

Chicago citation style
Hawksworth, Frank G., 1926-. The 6-class dwarf mistletoe rating system /. 1977. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007418816. (Accessed September 24, 2018.)
APA citation style
Hawksworth, Frank G., 1926-, (1977) The 6-class dwarf mistletoe rating system /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007418816
MLA citation style
Hawksworth, Frank G., 1926-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007418816>.
Note: These citations are programmatically generated and may be incomplete.