HITCHCOCK A.S. (1950). MANUAL OF THE GRASSES OF THE UNITED STATES (2.). GOVERNMENT PRINTING OFFICE.
Chicago Edition CitationHITCHCOCK A.S. MANUAL OF THE GRASSES OF THE UNITED STATES. 2. WASHINGTON: GOVERNMENT PRINTING OFFICE, 1950.
MLA Edition CitationHITCHCOCK A.S. MANUAL OF THE GRASSES OF THE UNITED STATES. 2. GOVERNMENT PRINTING OFFICE, 1950.
Warning: These citations may not always be 100% accurate.