APA

University of Nebraska - Lincoln, . (18921941). Contributions from the Botanical Department of the University of Nebraska. Lincoln, Neb: .

Chicago

University of Nebraska - Lincoln, . 18921941. Contributions from the Botanical Department of the University of Nebraska. Lincoln, Neb: .

Harvard

University of Nebraska - Lincoln, . (18921941). Contributions from the Botanical Department of the University of Nebraska. Lincoln, Neb: .

MLA

University of Nebraska - Lincoln, . Contributions from the Botanical Department of the University of Nebraska. Lincoln, Neb: . 18921941.