Citazione Stile APA (7a Edizione)

Willmes, S., Haas, C., Nicolaus, M., & Bareiss, J. (2009). Onset dates of annual snowmelt on Antarctic sea ice in 1990/1991. PANGAEA.

Citazione stile Chigago Style (17a edizione)

Willmes, Sascha, Christian Haas, Marcel Nicolaus, e Jörg Bareiss. Onset Dates of Annual Snowmelt on Antarctic Sea Ice in 1990/1991. PANGAEA, 2009.

Citatione MLA (9a ed.)

Willmes, Sascha, et al. Onset Dates of Annual Snowmelt on Antarctic Sea Ice in 1990/1991. PANGAEA, 2009.