APA (7th ed.) Citation

Boucot, A. J., & Arndt, R. (1960). Fossils of the Littleton Formation (Lower Devonian) of New Hampshire. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Boucot, A. J., and Robert Arndt. Fossils of the Littleton Formation (Lower Devonian) of New Hampshire. Washington: United States Department of the Interior, Geological Survey, 1960.

MLA (9th ed.) Citation

Boucot, A. J., and Robert Arndt. Fossils of the Littleton Formation (Lower Devonian) of New Hampshire. United States Department of the Interior, Geological Survey, 1960.