Citação norma APA

Du Bray, E. A., & Snee, L. W. (2002). Composition, age, and petrogenesis of late Cretaceous intrusive rocks in the central Big Belt Mountains, Broadwater and Meagher counties, Montana. U.S. Dept. of the Interior, U.S. Geological Survey.

Citação norma Chicago

Du Bray, E. A., and Lawrence W. Snee. Composition, Age, and Petrogenesis of Late Cretaceous Intrusive Rocks in the Central Big Belt Mountains, Broadwater and Meagher Counties, Montana. [Reston, VA]: U.S. Dept. of the Interior, U.S. Geological Survey, 2002.

Citação norma MLA

Du Bray, E. A., and Lawrence W. Snee. Composition, Age, and Petrogenesis of Late Cretaceous Intrusive Rocks in the Central Big Belt Mountains, Broadwater and Meagher Counties, Montana. U.S. Dept. of the Interior, U.S. Geological Survey, 2002.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.