APA Edition Citation

Ehlers,Ernest G. and Blatt,Harvey. (1987). Petrology: Igneous,sedimentary,and metamorphic. CBS.

Chicago Edition Citation

Ehlers,Ernest G. and Blatt,Harvey. Petrology: Igneous,sedimentary,and Metamorphic. New Delhi: CBS, 1987.

MLA Edition Citation

Ehlers,Ernest G. and Blatt,Harvey. Petrology: Igneous,sedimentary,and Metamorphic. CBS, 1987.

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