APA (7th ed.) Citation

Castro, F. d., & Duff, C. (1935). Jungle: A tale of the Amazon rubber-tappers. Viking.

Chicago Style (17th ed.) Citation

Castro, Ferreira de, and Charles Duff. Jungle: A Tale of the Amazon Rubber-tappers. New York: Viking, 1935.

MLA (9th ed.) Citation

Castro, Ferreira de, and Charles Duff. Jungle: A Tale of the Amazon Rubber-tappers. Viking, 1935.