APA (7th ed.) Citation

Ernest G Ehlers, H. B. (1980). Petrology, igneous, sedimentary and metamorphic. WH Freeman.

Chicago Style (17th ed.) Citation

Ernest G Ehlers, Harvey Blatt. Petrology, Igneous, Sedimentary and Metamorphic. WH Freeman, 1980.

MLA (8th ed.) Citation

Ernest G Ehlers, Harvey Blatt. Petrology, Igneous, Sedimentary and Metamorphic. WH Freeman, 1980.

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