APA (7th ed.) Citation

Harris, P. (1977). Igneous & metamorphic Rock.

Chicago Style (17th ed.) Citation

Harris, P.M. Igneous & Metamorphic Rock. London, 1977.

MLA (9th ed.) Citation

Harris, P.M. Igneous & Metamorphic Rock. 1977.

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