APA (7th ed.) Citation

Tschudy, R. H. (1976). Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Tschudy, Robert H. Stratigraphic Distribution of Species of the Megaspore Genus Minerisporites in North America. Washington: United States Department of the Interior, Geological Survey, 1976.

MLA (9th ed.) Citation

Tschudy, Robert H. Stratigraphic Distribution of Species of the Megaspore Genus Minerisporites in North America. United States Department of the Interior, Geological Survey, 1976.