APA (7th ed.) Citation

Elmer, W. W. (1930). Mining methods and costs at Black Butte quicksilver mine, Lane County, Ore. [publisher not identified].

Chicago Style (17th ed.) Citation

Elmer, William W. Mining Methods and Costs at Black Butte Quicksilver Mine, Lane County, Ore. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Elmer, William W. Mining Methods and Costs at Black Butte Quicksilver Mine, Lane County, Ore. [publisher not identified], 1930.