APA (7th ed.) Citation

Armstrong, B. R., & Carrara, P. E. (1981). Map of snow avalanche areas and known accident sites in the Telluride region, San Miguel County, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Armstrong, Betsy R., and Paul E. Carrara. Map of Snow Avalanche Areas and Known Accident Sites in the Telluride Region, San Miguel County, Colorado. Reston, Va.: The Survey, 1981.

MLA (9th ed.) Citation

Armstrong, Betsy R., and Paul E. Carrara. Map of Snow Avalanche Areas and Known Accident Sites in the Telluride Region, San Miguel County, Colorado. The Survey, 1981.