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.