Kelley, E. B. (1959). John Burroughs: naturalist: The story of his work and family. Exposition Press.
Chicago-Zitierstil (17. Ausg.)Kelley, Elizabeth Burroughs. John Burroughs: Naturalist: The Story of His Work and Family. New York: Exposition Press, 1959.
MLA-Zitierstil (9. Ausg.)Kelley, Elizabeth Burroughs. John Burroughs: Naturalist: The Story of His Work and Family. Exposition Press, 1959.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.