Cita APA (7th ed.)
ebrary, Inc, Krugger, M. I., & Stern, H. P. (2009). New permafrost and glacier research. Nova Science Publishers.
Cita Chicago (17th ed.)
ebrary, Inc, Max I. Krugger, i Harry P. Stern. New Permafrost and Glacier Research. Hauppauge, NY: Nova Science Publishers, 2009.
Cita MLA (9th ed.)
ebrary, Inc, et al. New Permafrost and Glacier Research. Nova Science Publishers, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.