APA Citation

Walker, E. M. 1. (1912). The North American dragonflies of the genus Aeshna. Toronto: University of Toronto Library.

Chicago Style Citation

Walker, E. M. 1877-1969. The North American Dragonflies of the Genus Aeshna. Toronto: University of Toronto Library, 1912.

MLA Citation

Walker, E. M. 1877-1969. The North American Dragonflies of the Genus Aeshna. Toronto: University of Toronto Library, 1912.

Warning: These citations may not always be 100% accurate.