APA (7th ed.) Citation

Spilhaus, A. (1991). Atlas of the world with geophysical boundaries showing oceans, continents, and tectonic plates in their entirety. American Philosophical Society.

Chicago Style (17th ed.) Citation

Spilhaus, Athelstan. Atlas of the World with Geophysical Boundaries Showing Oceans, Continents, and Tectonic Plates in Their Entirety. Philadelphia, Pa.: American Philosophical Society, 1991.

MLA (9th ed.) Citation

Spilhaus, Athelstan. Atlas of the World with Geophysical Boundaries Showing Oceans, Continents, and Tectonic Plates in Their Entirety. American Philosophical Society, 1991.