U.S. flag

An official website of the United States government

NALDC

Main content area

MLA

Roark, R. C. (Ruric Creegan). "A Digest of the Literature of Derris (deguelia) Species Used As Insecticides, 1747-1931." , p.. Print

APA

Roark, R. C. (Ruric Creegan). (1932). A digest of the literature of derris (deguelia) species used as insecticides, 1747-1931.

Chicago

Roark, R. C. (Ruric Creegan) "A digest of the literature of derris (deguelia) species used as insecticides, 1747-1931" (0000): p..