APA (7th ed.) Citation

Wallace, A. R. A narrative of travels on the Amazon and Rio Negro.

Chicago Style (17th ed.) Citation

Wallace, Alfred Russel. A Narrative of Travels on the Amazon and Rio Negro.

MLA (9th ed.) Citation

Wallace, Alfred Russel. A Narrative of Travels on the Amazon and Rio Negro.

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