Hitchcock, A. S. (1950). Manual of the grasses of the world states (2.). Govt printing office, United States.
Chicago Edition CitationHitchcock, A S. Manual of the Grasses of the World States. 2. Washington: Govt printing office, United States, 1950.
MLA Edition CitationHitchcock, A S. Manual of the Grasses of the World States. 2. Govt printing office, United States, 1950.
Warning: These citations may not always be 100% accurate.