APA (7th ed.) Citation

Brown, G. F., Schmidt, D. L., & Huffman, A. C. (1989). Shield area of Western Saudi Arabia. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Brown, Glen F., Dwight Lyman Schmidt, and A. C. Huffman. Shield Area of Western Saudi Arabia. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1989.

MLA (9th ed.) Citation

Brown, Glen F., et al. Shield Area of Western Saudi Arabia. Dept. of the Interior, U.S. Geological Survey, 1989.