Burroughs, E. R. Index of the Project Gutenberg Works of Edgar Rice Burroughs.
Cita Chicago (17th ed.)Burroughs, Edgar Rice. Index of the Project Gutenberg Works of Edgar Rice Burroughs.
Cita MLA (9th ed.)Burroughs, Edgar Rice. Index of the Project Gutenberg Works of Edgar Rice Burroughs.
Atenció: Aquestes cites poden no estar 100% correctes.