APA (7th ed.) Citation

Smith, J. P. (1927). Upper Triassic marine invertebrate faunas of North America. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Smith, James Perrin. Upper Triassic Marine Invertebrate Faunas of North America. Washington: Department of the Interior, United States Geological Survey, 1927.

MLA (9th ed.) Citation

Smith, James Perrin. Upper Triassic Marine Invertebrate Faunas of North America. Department of the Interior, United States Geological Survey, 1927.