APA (7th ed.) Citation

Tanai, T., Wolfe, J. A., & Geological Survey (U.S.). (1977). Revisions of Ulmus and Zelkova in the Middle and Late Tertiary of western North America. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Tanai, Toshimasa,, Jack A. Wolfe, and Geological Survey (U.S.). Revisions of Ulmus and Zelkova in the Middle and Late Tertiary of Western North America. Washington: United States Department of the Interior, Geological Survey, 1977.

MLA (8th ed.) Citation

Tanai, Toshimasa,, et al. Revisions of Ulmus and Zelkova in the Middle and Late Tertiary of Western North America. United States Department of the Interior, Geological Survey, 1977.