Cita APA

Du Bray, E. A., Harlan, S. S., & Wilson, A. B. (2006). Petrology of the Crazy Mountains Dike Swarm and geochronology of associated sills, South-Central Montana. Reston, Va.: U.S. Geological Survey.

Citación estilo Chicago

Du Bray, Edward A., Stephen S. Harlan, y Anna B. Wilson. Petrology of the Crazy Mountains Dike Swarm and Geochronology of Associated Sills, South-Central Montana. Reston, Va.: U.S. Geological Survey, 2006.

Cita MLA

Du Bray, Edward A., Stephen S. Harlan, y Anna B. Wilson. Petrology of the Crazy Mountains Dike Swarm and Geochronology of Associated Sills, South-Central Montana. Reston, Va.: U.S. Geological Survey, 2006.