APA (7th ed.) Citation

Geological Survey (U.S.), Luedke, R. G., & Bawiec, W. J. (1991). Three-dimensional perspective diagrams of the Morococala volcanic field, west-central Bolivia. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Robert G. Luedke, and W. J. Bawiec. Three-dimensional Perspective Diagrams of the Morococala Volcanic Field, West-central Bolivia. Reston, Va.: The Survey, 1991.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Three-dimensional Perspective Diagrams of the Morococala Volcanic Field, West-central Bolivia. The Survey, 1991.