NALDC

Main content area

MLA

McGregor, E. A. Lygus elisus : a pest of the cotton regions in Arizona and California . U.S. Dept. of Agriculture, 1927.

APA

McGregor, E. A. (1927). Lygus elisus : a pest of the cotton regions in Arizona and California. U.S. Dept. of Agriculture.

Chicago

McGregor, E. A. Lygus elisus : a pest of the cotton regions in Arizona and California . U.S. Dept. of Agriculture, 1927.