International Union of Geological Sciences. Subcommission on the Systematics of Igneous Rocks & Le Maitre, R. W. (1989). A classification of igneous rocks and glossary of terms: Recommendations of the International Union of Geological Sciences Subcommision on the Systematics of Igneous Rocks. Blackwell Scientific Publications.
Chicago Style (17th ed.) CitationInternational Union of Geological Sciences. Subcommission on the Systematics of Igneous Rocks and R. W. Le Maitre. A Classification of Igneous Rocks and Glossary of Terms: Recommendations of the International Union of Geological Sciences Subcommision on the Systematics of Igneous Rocks. Oxford: Blackwell Scientific Publications, 1989.
MLA (9th ed.) CitationInternational Union of Geological Sciences. Subcommission on the Systematics of Igneous Rocks and R. W. Le Maitre. A Classification of Igneous Rocks and Glossary of Terms: Recommendations of the International Union of Geological Sciences Subcommision on the Systematics of Igneous Rocks. Blackwell Scientific Publications, 1989.