APA ציטוט

North, G. R. (2013). More evidence for anthropogenic influence on climate change. National Academy of Sciences.

Citação norma Chicago

North, Gerald R. More Evidence for Anthropogenic Influence On Climate Change. National Academy of Sciences, 2013.

ציטוט MLA

North, Gerald R. More Evidence for Anthropogenic Influence On Climate Change. National Academy of Sciences, 2013.