Seiple, S. (2017). Death on the river of doubt: Theodore Roosevelt's Amazon adventure (1st ed., January 2017.). Scholastic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSeiple, Samantha. Death on the River of Doubt: Theodore Roosevelt's Amazon Adventure. 1st ed., January 2017. New York: Scholastic Press, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSeiple, Samantha. Death on the River of Doubt: Theodore Roosevelt's Amazon Adventure. 1st ed., January 2017. Scholastic Press, 2017.
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