APA (7th ed.) Citation

Belt, T. (2004). The Naturalist in Nicaragua. Project Gutenberg.

Chicago Style (17th ed.) Citation

Belt, Thomas. The Naturalist in Nicaragua. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Belt, Thomas. The Naturalist in Nicaragua. Project Gutenberg, 2004.

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