APA

Philpotts A. R., Ague J. A., . (2009). Principles of igneous and metamorphic petrology. Cambridge: Cambridge University Press.

Chicago

Philpotts Anthony R, Ague Jay A, . 2009. Principles of igneous and metamorphic petrology. Cambridge: Cambridge University Press.

Harvard

Philpotts A. R., Ague J. A., . (2009). Principles of igneous and metamorphic petrology. Cambridge: Cambridge University Press.

MLA

Philpotts Anthony R, Ague Jay A, . Principles of igneous and metamorphic petrology. Cambridge: Cambridge University Press. 2009.