Cita APA (7th ed.)
ebrary, Inc, Blair, R., & Bracksieck, G. (2011). The eastern San Juan Mountains: Their geology, ecology, and human history. University Press of Colorado : Mountain Studies Institute/San Juan Collaboratory.
Cita Chicago (17th ed.)
ebrary, Inc, Rob Blair, i George Bracksieck. The Eastern San Juan Mountains: Their Geology, Ecology, and Human History. Boulder, Colo.: University Press of Colorado : Mountain Studies Institute/San Juan Collaboratory, 2011.
Cita MLA (9th ed.)
ebrary, Inc, et al. The Eastern San Juan Mountains: Their Geology, Ecology, and Human History. University Press of Colorado : Mountain Studies Institute/San Juan Collaboratory, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.