APA (7th ed.) Citation

Arnold, C. A. (1955). A Tertiary Azolla from British Columbia. Museum of Paleontology, University of Michigan.

Chicago Style (17th ed.) Citation

Arnold, Chester A. A Tertiary Azolla from British Columbia. Ann Arbor: Museum of Paleontology, University of Michigan, 1955.

MLA (9th ed.) Citation

Arnold, Chester A. A Tertiary Azolla from British Columbia. Museum of Paleontology, University of Michigan, 1955.