APA (7th ed.) Citation

Zahm, J. A. (1910). Up the Orinoco and down the Magdalena. D. Appleton and company.

Chicago Style (17th ed.) Citation

Zahm, J. A. Up the Orinoco and Down the Magdalena. New York, London: D. Appleton and company, 1910.

MLA (9th ed.) Citation

Zahm, J. A. Up the Orinoco and Down the Magdalena. D. Appleton and company, 1910.