APA (7th ed.) Citation

Du Chaillu, P. B. (2007). The Land of the Long Night. Project Gutenberg.

Chicago Style (17th ed.) Citation

Du Chaillu, Paul B. The Land of the Long Night. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Du Chaillu, Paul B. The Land of the Long Night. Project Gutenberg, 2007.

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