APA (7th ed.) Citation

Huntington, E., & Visher, S. S. (2011). Climatic Changes: Their Nature and Causes. Project Gutenberg.

Chicago Style (17th ed.) Citation

Huntington, Ellsworth, and Stephen Sargent Visher. Climatic Changes: Their Nature and Causes. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Huntington, Ellsworth, and Stephen Sargent Visher. Climatic Changes: Their Nature and Causes. Project Gutenberg, 2011.

Warning: These citations may not always be 100% accurate.