APA (7th ed.) Citation

Wilson, H. (1929). Ochers and mineral pigments of Pacific Northwest: Occurrence, possible methods of preparation, and testing of ochers, siennas, and colored clays. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Wilson, Hewitt. Ochers and Mineral Pigments of Pacific Northwest: Occurrence, Possible Methods of Preparation, and Testing of Ochers, Siennas, and Colored Clays. [Washington?]: U.S. Government Printing Office, 1929.

MLA (9th ed.) Citation

Wilson, Hewitt. Ochers and Mineral Pigments of Pacific Northwest: Occurrence, Possible Methods of Preparation, and Testing of Ochers, Siennas, and Colored Clays. U.S. Government Printing Office, 1929.