APA (7th ed.) Citation

Smith, W. D., & Packard, E. L. (1919). The salient features of the geology of Oregon. University of Oregon.

Chicago Style (17th ed.) Citation

Smith, Warren D., and Earl L. Packard. The Salient Features of the Geology of Oregon. [Eugene?: University of Oregon, 1919.

MLA (8th ed.) Citation

Smith, Warren D., and Earl L. Packard. The Salient Features of the Geology of Oregon. University of Oregon, 1919.

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