APA (7th ed.) Citation

Harris, W. P. (1937). Revision of Sciurus variegatoides, a species of Central American squirrel. University of Michigan.

Chicago Style (17th ed.) Citation

Harris, William P. Revision of Sciurus Variegatoides, a Species of Central American Squirrel. Ann Arbor: University of Michigan, 1937.

MLA (8th ed.) Citation

Harris, William P. Revision of Sciurus Variegatoides, a Species of Central American Squirrel. University of Michigan, 1937.