APA

University of Nebraska College of Agriculture, . (1949). University of Nebraska : Research Bulletin. : University of Nebraska College of Agriculture.

Chicago

University of Nebraska College of Agriculture, . 1949. University of Nebraska : Research Bulletin. : University of Nebraska College of Agriculture.

Harvard

University of Nebraska College of Agriculture, . (1949). University of Nebraska : Research Bulletin. : University of Nebraska College of Agriculture.

MLA

University of Nebraska College of Agriculture, . University of Nebraska : Research Bulletin. : University of Nebraska College of Agriculture. 1949.