Cita APA (7th ed.)

Krupnik, I., Lang, M. A., & Miller, S. E. (2009). Smithsonian at the Poles: Contribution to International Polar Year Science. Smithsonian Institution Scholarly Press.

Cita Chicago (17th ed.)

Krupnik, Igor, Michael A. Lang, i Scott E. Miller. Smithsonian at the Poles: Contribution to International Polar Year Science. Washington, D.C: Smithsonian Institution Scholarly Press, 2009.

Cita MLA (9th ed.)

Krupnik, Igor, et al. Smithsonian at the Poles: Contribution to International Polar Year Science. Smithsonian Institution Scholarly Press, 2009.