A preliminary list of the hemiptera of Colorado... 137 p. il. :
(Colorado. State Agricultural College. Agricultural Experiment Station. Bulletin, no. 31. 23cm. Technical series, no. 1.

APA Citation

Gillette, C. Preston. (1895). A preliminary list of the hemiptera of Colorado... 137 p. il.: (Colorado. State Agricultural College. Agricultural Experiment Station. Bulletin, no. 31. 23cm. Technical series, no. 1. Fort Collins, Colorado.

MLA Citation

Gillette, Clarence Preston, 1859-. A Preliminary List of the Hemiptera of Colorado... 137 P. Il.: (Colorado. State Agricultural College. Agricultural Experiment Station. Bulletin, No. 31. 23cm. Technical Series, No. 1. Fort Collins, Colorado, 1895.

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