Não informado. (1908). Contributions from the Department of Entomology. University of Nebraska, Department of Entomology.
Citação do estilo Chicago (17ª ed.)Não informado. Contributions from the Department of Entomology. Lincoln, Neb: University of Nebraska, Department of Entomology, 1908.
Citação MLA (8ª ed.)Não informado. Contributions from the Department of Entomology. University of Nebraska, Department of Entomology, 1908.
Atenció: Aquestes cites poden no estar 100% correctes.