APA (7th ed.) Citation

Northrop, S. A. (1939). Paleontology and stratigraphy of the Silurian rocks off the Port Daniel-Black cape region, Gaspe. The Society.

Chicago Style (17th ed.) Citation

Northrop, Stuart Alvord. Paleontology and Stratigraphy of the Silurian Rocks off the Port Daniel-Black Cape Region, Gaspe. [New York]: The Society, 1939.

MLA (9th ed.) Citation

Northrop, Stuart Alvord. Paleontology and Stratigraphy of the Silurian Rocks off the Port Daniel-Black Cape Region, Gaspe. The Society, 1939.

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