APA (7th ed.) Citation

Bucher, K., & Frey, M. (1994). Petrogenesis of metamorphic rocks (6th ed.). Springer-Verlag.

Chicago Style (17th ed.) Citation

Bucher, K., and M. Frey. Petrogenesis of Metamorphic Rocks. 6th ed. Berlin: Springer-Verlag, 1994.

MLA (8th ed.) Citation

Bucher, K., and M. Frey. Petrogenesis of Metamorphic Rocks. 6th ed. Springer-Verlag, 1994.

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