APA (7th ed.) Citation

International Union of Geological Sciences International Subcommission on Stratigraphic Classification, Geological Society of America, & Salvador, A. (1994). International stratigraphic guide: A guide to stratigraphic classification, terminology, and procedure (2nd ed.). International Union of Geological Sciences, Geological Society of America.

Chicago Style (17th ed.) Citation

International Union of Geological Sciences International Subcommission on Stratigraphic Classification, Geological Society of America, and Amos Salvador. International Stratigraphic Guide: A Guide to Stratigraphic Classification, Terminology, and Procedure. 2nd ed. Trondheim, Norway : Boulder, Colo.: International Union of Geological Sciences, Geological Society of America, 1994.

MLA (9th ed.) Citation

International Union of Geological Sciences International Subcommission on Stratigraphic Classification, et al. International Stratigraphic Guide: A Guide to Stratigraphic Classification, Terminology, and Procedure. 2nd ed. International Union of Geological Sciences, Geological Society of America, 1994.