Check list of the forest trees of the United States :
their names and ranges.
APA Citation
Sudworth, G. B. (George Bishop). (1927). Check list of the forest trees of the United States: their names and ranges. [Washington]: Govt. Print. Off.
MLA Citation
Sudworth, George B. (George Bishop), 1864-1927. Check List of the Forest Trees of the United States: Their Names And Ranges. [Washington]: Govt. Print. Off, 1927.
Warning: These citations may not always be complete (especially for serials).