APA Citation

Hitchcock, A. S. (1950). Manual of the grasses of hthe United States (2nd ed.). Washington: United States Department of Agriculture.

Chicago Style Citation

Hitchcock, A. S. Manual of the Grasses of Hthe United States. 2nd ed. Washington: United States Department of Agriculture, 1950.

MLA Citation

Hitchcock, A. S. Manual of the Grasses of Hthe United States. 2nd ed. Washington: United States Department of Agriculture, 1950.

Warning: These citations may not always be 100% accurate.