APA (7th ed.) Citation

Billings Geological Society. Field Conference. (1952). Guidebook ... annual Field Conference. Billings Geological Society.

Chicago Style (17th ed.) Citation

Billings Geological Society. Field Conference. Guidebook ... Annual Field Conference. [Billings, Mont.]: Billings Geological Society, 1952.

MLA (9th ed.) Citation

Billings Geological Society. Field Conference. Guidebook ... Annual Field Conference. Billings Geological Society, 1952.

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