Cita APA (7a ed.)
Barr, S., & Luedecke, C. (2010). The History of the International Polar Years (IPYs). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-12402-0
Cita Chicago Style (17a ed.)
Barr, Susan, y Cornelia Luedecke. The History of the International Polar Years (IPYs). Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. https://doi.org/10.1007/978-3-642-12402-0.
Cita MLA (9a ed.)
Barr, Susan, y Cornelia Luedecke. The History of the International Polar Years (IPYs). Springer Berlin Heidelberg, 2010. https://doi.org/10.1007/978-3-642-12402-0.
Precaución: Estas citas no son 100% exactas.