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MLA

Hillman, F. H. (Fred Hebard). "Distinguishing Characters of the Seeds of Sudan Grass and Johnson Grass." , p.. Print

APA

Hillman, F. H. (Fred Hebard). (1916). Distinguishing characters of the seeds of Sudan grass and Johnson grass.

Chicago

Hillman, F. H. (Fred Hebard) "Distinguishing characters of the seeds of Sudan grass and Johnson grass" (0000): p..