APA (7th ed.) Citation

Macke, D. L. (1993). Cambrian through Mississippian Rocks of the Powder River Basin, Wyoming, Montana, and adjacent areas. US Gov. Print. Off.

Chicago Style (17th ed.) Citation

Macke, David L. Cambrian Through Mississippian Rocks of the Powder River Basin, Wyoming, Montana, and Adjacent Areas. Washington, DC: US Gov. Print. Off, 1993.

MLA (9th ed.) Citation

Macke, David L. Cambrian Through Mississippian Rocks of the Powder River Basin, Wyoming, Montana, and Adjacent Areas. US Gov. Print. Off, 1993.