The evergreen trees of Colorado /
by B.O. Longyear.
APA Citation
Longyear, B. Orange., Colorado Agricultural Experiment Station. (1908). The evergreen trees of Colorado. Fort Collins, Colo.: Agricultural Experiment Station of the Agricultural College of Colorado.
MLA Citation
Longyear, Burton Orange, 1868-, and Colorado Agricultural Experiment Station. The Evergreen Trees of Colorado. Fort Collins, Colo.: Agricultural Experiment Station of the Agricultural College of Colorado, 1908.
Warning: These citations may not always be complete (especially for serials).