APA (7th ed.) Citation

Salvador, A. (1994). International stratigraphic guide: A guide to stratigraphic classification, terminology, and procedure (2. ed.). Internat. Union of Geological Sciences u.a.

Chicago Style (17th ed.) Citation

Salvador, Amos. International Stratigraphic Guide: A Guide to Stratigraphic Classification, Terminology, and Procedure. 2. ed. Trondheim: Internat. Union of Geological Sciences u.a, 1994.

MLA (9th ed.) Citation

Salvador, Amos. International Stratigraphic Guide: A Guide to Stratigraphic Classification, Terminology, and Procedure. 2. ed. Internat. Union of Geological Sciences u.a, 1994.