APA (7th ed.) Citation

Smith, G. O., & Willis, B. (1903). Contributions to the geology of Washington: Geology and physiography of central Washington. Govt. print. off..

Chicago Style (17th ed.) Citation

Smith, George Otis, and Bailey Willis. Contributions to the Geology of Washington: Geology and Physiography of Central Washington. Washington: Govt. print. off., 1903.

MLA (8th ed.) Citation

Smith, George Otis, and Bailey Willis. Contributions to the Geology of Washington: Geology and Physiography of Central Washington. Govt. print. off., 1903.

Warning: These citations may not always be 100% accurate.