APA (7th ed.) Citation

Read, C. B., & Brown, R. W. (1937). American Cretaceous ferns of the genus Tempskya. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Read, C. B., and Roland W. Brown. American Cretaceous Ferns of the Genus Tempskya. Washington: United States Department of the Interior, Geological Survey, 1937.

MLA (9th ed.) Citation

Read, C. B., and Roland W. Brown. American Cretaceous Ferns of the Genus Tempskya. United States Department of the Interior, Geological Survey, 1937.