A revision of the Ichneumon-flies of the genus Campoplegidea occurring in America north of Mexico
[by] G. Stuart Walley ...

APA Citation

Walley, G. Stuart. (1940). A revision of the Ichneumon-flies of the genus Campoplegidea occurring in America north of Mexico. [Quebec.

MLA Citation

Walley, G. Stuart. A Revision of the Ichneumon-flies of the Genus Campoplegidea Occurring In America North of Mexico. [Quebec, 1940.

Warning: These citations may not always be complete (especially for serials).