Cita APA (7a ed.)

Willmes, S., Haas, C., Nicolaus, M., & Bareiss, J. (2009). Onset dates of annual snowmelt on Antarctic sea ice 1988-2007. PANGAEA.

Cita Chicago Style (17a ed.)

Willmes, Sascha, Christian Haas, Marcel Nicolaus, y Jörg Bareiss. Onset Dates of Annual Snowmelt on Antarctic Sea Ice 1988-2007. PANGAEA, 2009.

Cita MLA (9a ed.)

Willmes, Sascha, et al. Onset Dates of Annual Snowmelt on Antarctic Sea Ice 1988-2007. PANGAEA, 2009.