APA引文

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引文

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

警告：這些引文格式不一定是100％准確.