Insect powder /
by C.C. McDonnell, R.C. Roark and G.L. Keenan.

APA Citation

McDonnell, C. C. (Curtis Criss)., Roark, R. C. (Ruric Creegan)., Keenan, G. Lawrence. (1920). Insect powder. Washington, D.C.: U.S. Dept. of Agriculture.

MLA Citation

McDonnell, C. C. (Curtis Criss), 1875-, R. C. (Ruric Creegan) Roark, and George Lawrence Keenan. Insect Powder. Washington, D.C.: U.S. Dept. of Agriculture, 1920.