APA (7th ed.) Citation

Tysdal, R. G. (1976). Geologic map of northern part of Ruby Range, Madison County, Montana. The Survey.

Chicago Style (17th ed.) Citation

Tysdal, Russell G. Geologic Map of Northern Part of Ruby Range, Madison County, Montana. Reston, Va.: The Survey, 1976.

MLA (9th ed.) Citation

Tysdal, Russell G. Geologic Map of Northern Part of Ruby Range, Madison County, Montana. The Survey, 1976.