APA (7th ed.) Citation

Bates, H. W. (2007). In the heart of the Amazon Forest. Penguin Books.

Chicago Style (17th ed.) Citation

Bates, Henry Walter. In the Heart of the Amazon Forest. London: Penguin Books, 2007.

MLA (9th ed.) Citation

Bates, Henry Walter. In the Heart of the Amazon Forest. Penguin Books, 2007.

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