APA (7th ed.) Citation

Northrop, S. A. Paleontology and stratigraphy of the Silurian rocks of the Port Daniel-Black cape region, Gaspé. The Society c1939.

Chicago Style (17th ed.) Citation

Northrop, Stuart Alvord. Paleontology and Stratigraphy of the Silurian Rocks of the Port Daniel-Black Cape Region, Gaspé. [New York]: The Society c1939.

MLA (9th ed.) Citation

Northrop, Stuart Alvord. Paleontology and Stratigraphy of the Silurian Rocks of the Port Daniel-Black Cape Region, Gaspé. The Society c1939.

Warning: These citations may not always be 100% accurate.