APA Citation

Ehlers, E. G. Petrology Igneous, Sedimentary, and Metamorphic. San Francisco:W.H. Freeman and Company.

Chicago Style Citation

Ehlers, Ernest G. Petrology Igneous, Sedimentary, and Metamorphic. San Francisco:W.H. Freeman and Company.

MLA Citation

Ehlers, Ernest G. Petrology Igneous, Sedimentary, and Metamorphic. San Francisco:W.H. Freeman and Company.

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