Cita APA

Billings Geological Society. Field Conference. (1951). 2nd Annual Field Conference. The Society.

Chicago Style (17th ed.) Citation

Billings Geological Society. Field Conference. 2nd Annual Field Conference. [Billings, Mont.: The Society, 1951.

Cita MLA

Billings Geological Society. Field Conference. 2nd Annual Field Conference. The Society, 1951.

Atenció: Aquestes cites poden no estar 100% correctes.