APA (7th ed.) Citation

Hietanen, A. M. (1981). Petrologic and structural studies in the northwestern Sierra Nevada, California. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Hietanen, Anna Martta. Petrologic and Structural Studies in the Northwestern Sierra Nevada, California. [Reston, Va. ?]: U.S. Dept. of the Interior, Geological Survey, 1981.

MLA (9th ed.) Citation

Hietanen, Anna Martta. Petrologic and Structural Studies in the Northwestern Sierra Nevada, California. U.S. Dept. of the Interior, Geological Survey, 1981.