APA (7th ed.) Citation

Geological Society of America & Geological Society of America. (1979). Geological Society of America bulletin. The Society.

Chicago Style (17th ed.) Citation

Geological Society of America and Geological Society of America. Geological Society of America Bulletin. [Boulder, Colo.]: The Society, 1979.

MLA (9th ed.) Citation

Geological Society of America and Geological Society of America. Geological Society of America Bulletin. The Society, 1979.