Hagen, H. A. Synopsis of the Odonata of North America No. 2. The Genus Anax. Wiley.
Chicago Style (17th ed.) CitationHagen, Hermann August. Synopsis of the Odonata of North America No. 2. The Genus Anax. Wiley.
MLA (9th ed.) CitationHagen, Hermann August. Synopsis of the Odonata of North America No. 2. The Genus Anax. Wiley.
Warning: These citations may not always be 100% accurate.