APA Citation

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

Chicago Style Citation

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

MLA Citation

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

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