The Hesperioidea of America north of Mexico :
a generic revision and synopsis of the species.
APA Citation
Lindsey, A. Ward. (1919). The Hesperioidea of America north of Mexico: a generic revision and synopsis of the species. .
MLA Citation
Lindsey, Arthur Ward, 1894-. The Hesperioidea of America North of Mexico: a Generic Revision And Synopsis of the Species. , 1919.
Warning: These citations may not always be complete (especially for serials).