Middle Cenozoic floras of western North America.
APA Citation
LaMotte, R. Smith., Oliver, E. (1936). Middle Cenozoic floras of western North America. [Washington]: Carnegie institution of Washington.
MLA Citation
LaMotte, Robert Smith, 1895-, and Elizabeth Oliver. Middle Cenozoic Floras of Western North America. [Washington]: Carnegie institution of Washington, 1936.
Warning: These citations may not always be complete (especially for serials).