Billings Geological Society. Field Conference, Montana Geological Society, & Sonnenberg, F. P. (1952). Black Hills-Williston Basin. [The Society].
Chicago Style (17th ed.) CitationBillings Geological Society. Field Conference, Montana Geological Society, and Frank P. Sonnenberg. Black Hills-Williston Basin. [Billings, Mont.]: [The Society], 1952.
MLA (9th ed.) CitationBillings Geological Society. Field Conference, et al. Black Hills-Williston Basin. [The Society], 1952.
Warning: These citations may not always be 100% accurate.