Manual of the grasses of the United States.
By A. S. Hitchcock ...
APA Citation
Hitchcock, A. S. (Albert Spear). (1935). Manual of the grasses of the United States. Washington: U.S. Govt. Print. Off..
MLA Citation
Hitchcock, A. S. (Albert Spear), 1865-1935. Manual of the Grasses of the United States. Washington: U.S. Govt. Print. Off., 1935.
Warning: These citations may not always be complete (especially for serials).