NALDC

Main content area

MLA

Urbahns, T. D. The chalcis-fly in alfalfa seed. U.S. Dept. of Agriculture, 1914.

APA

Urbahns, T. D. (1914). The chalcis-fly in alfalfa seed. U.S. Dept. of Agriculture.

Chicago

Urbahns, T. D. The chalcis-fly in alfalfa seed. U.S. Dept. of Agriculture, 1914.