Cita APA

International Polar Year Symposium (2007 may. 3-4 : Washington, D., Krupnik, I., Lang, M. A., & Miller, S. E. (2009). Smithsonian at the poles: Contributions to International Polar Year Science. Washington, D.C.: Smithsonian Institution Scholarly Press.

Citación estilo Chicago

International Polar Year Symposium (2007 may. 3-4 : Washington, D.C.), Igor Krupnik, Michael A. Lang, y Scott E. Miller. Smithsonian At the Poles: Contributions to International Polar Year Science. Washington, D.C.: Smithsonian Institution Scholarly Press, 2009.

Cita MLA

International Polar Year Symposium (2007 may. 3-4 : Washington, D.C.), Igor Krupnik, Michael A. Lang, y Scott E. Miller. Smithsonian At the Poles: Contributions to International Polar Year Science. Washington, D.C.: Smithsonian Institution Scholarly Press, 2009.