Παραπομπή σε μορφή APA (7η εκδ.)

Blatt, H., & Tracy, R. J. (1996). Petrology: Igneous, sedimentary and metamorphic (2nd edition.). W.H. Freeman and Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Blatt, Harvey, και Robert J. Tracy. Petrology: Igneous, Sedimentary and Metamorphic. 2nd edition. New York: W.H. Freeman and Company, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

Blatt, Harvey, και Robert J. Tracy. Petrology: Igneous, Sedimentary and Metamorphic. 2nd edition. W.H. Freeman and Company, 1996.