APA

Spillman W. J., . (1916). Farm grasses of the united states. New York: Orange Judd Company.

Chicago

Spillman William Jasper, . 1916. Farm grasses of the united states. New York: Orange Judd Company.

Harvard

Spillman W. J., . (1916). Farm grasses of the united states. New York: Orange Judd Company.

MLA

Spillman William Jasper, . Farm grasses of the united states. New York: Orange Judd Company. 1916.