Cita APA

ebrary, Inc, Bally, A. W., & Roberts, D. G. (2012). Regional geology and tectonics. Elsevier.

Citación estilo Chicago

ebrary, Inc, A. W. Bally, and D. G. Roberts. Regional Geology and Tectonics. Amsterdam ; Boston: Elsevier, 2012.

Cita MLA

ebrary, Inc, et al. Regional Geology and Tectonics. Elsevier, 2012.