APA

University of Michigan, . (1913). Occasional papers of the Museum of Zoology, University of Michigan. Ann Arbor, Mich: Univ.

Chicago

University of Michigan, . 1913. Occasional papers of the Museum of Zoology, University of Michigan. Ann Arbor, Mich: Univ.

Harvard

University of Michigan, . (1913). Occasional papers of the Museum of Zoology, University of Michigan. Ann Arbor, Mich: Univ.

MLA

University of Michigan, . Occasional papers of the Museum of Zoology, University of Michigan. Ann Arbor, Mich: Univ. 1913.