APA Citatie

Johansen, B. E. (2007). Global warming in the 21 st century Vol 2, Melting ice and warming seas.

Chicago Style citaat

Johansen, Bruce E. Global Warming in the 21 St Century Vol 2, Melting Ice and Warming Seas. New Delhi, Atlantic Pubs & Distbs, 2007.

MLA citatie

Johansen, Bruce E. Global Warming in the 21 St Century Vol 2, Melting Ice and Warming Seas. 2007.