Rocky Mountain flowers :
an illustrated guide for plant-lovers and plant-users /
Frederic Edward Clements and Edith Schwartz Clements.
APA Citation
Clements, F. E. (Frederic Edward)., Clements, E. S. (Edith Schwartz). (19201914). Rocky Mountain flowers: an illustrated guide for plant-lovers and plant-users. Field ed. New York: H. W. Wilson.
MLA Citation
Clements, Frederic E. (Frederic Edward), 1874-1945, and Edith S. (Edith Schwartz) Clements. Rocky Mountain Flowers: an Illustrated Guide for Plant-lovers And Plant-users. Field ed. New York: H. W. Wilson, 19201914.
Warning: These citations may not always be complete (especially for serials).