APA (7th ed.) Citation

Geological Society of America. (1961). Geological Society of America bulletin. Geological Society of America.

Chicago Style (17th ed.) Citation

Geological Society of America. Geological Society of America Bulletin. [New York, N.Y.]: Geological Society of America, 1961.

MLA (8th ed.) Citation

Geological Society of America. Geological Society of America Bulletin. Geological Society of America, 1961.