Two fossil insects from Florissant, Colorado,
with a discussion of the venation of the aeshnine dragon-flies.
APA Citation
Cockerell, T. D. A. (Theodore Dru Alison). (1913). Two fossil insects from Florissant, Colorado: with a discussion of the venation of the aeshnine dragon-flies. Washington.
MLA Citation
Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948. Two Fossil Insects From Florissant, Colorado: With a Discussion of the Venation of the Aeshnine Dragon-flies. Washington, 1913.
Warning: These citations may not always be complete (especially for serials).