Dawson, E. Y. 1. (1963). How to know the cacti: Pintured keys for determinig the native cacti of the United States and many of the introduced species. Dubuque, Iowa: Wm. C. Brown Company Publisher.
Chicago Style CitationDawson, Elmer Yale 1918-. How to Know the Cacti: Pintured Keys for Determinig the Native Cacti of the United States and Many of the Introduced Species. Dubuque, Iowa: Wm. C. Brown Company Publisher, 1963.
MLA CitationDawson, Elmer Yale 1918-. How to Know the Cacti: Pintured Keys for Determinig the Native Cacti of the United States and Many of the Introduced Species. Dubuque, Iowa: Wm. C. Brown Company Publisher, 1963.
Warning: These citations may not always be 100% accurate.