Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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