Glass Charles. (2004). Identifying cacti: The compact study guide and identifiers. Wingston, Leicester: Silverdate Books.
Chicago Style CitationGlass Charles. Identifying Cacti: The Compact Study Guide and Identifiers. Wingston, Leicester: Silverdate Books, 2004.
MLA CitationGlass Charles. Identifying Cacti: The Compact Study Guide and Identifiers. Wingston, Leicester: Silverdate Books, 2004.
Warning: These citations may not always be 100% accurate.