APA (7th ed.) Citation

Silverman, A. J., & Harris, W. L. (1967). Stratigraphy and economic geology of the Great Falls-Lewistown coal field, central Montana.

Chicago Style (17th ed.) Citation

Silverman, A. J., and William L. Harris. Stratigraphy and Economic Geology of the Great Falls-Lewistown Coal Field, Central Montana. 1967.

MLA (9th ed.) Citation

Silverman, A. J., and William L. Harris. Stratigraphy and Economic Geology of the Great Falls-Lewistown Coal Field, Central Montana. 1967.

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