American Society for Horticultural Science. (1979). [Cacti of the Southwest].
Chicago Style (17th ed.) CitationAmerican Society for Horticultural Science. [Cacti of the Southwest]. 1979.
MLA (9th ed.) CitationAmerican Society for Horticultural Science. [Cacti of the Southwest]. 1979.
Warning: These citations may not always be 100% accurate.