Sprot, G. D. (1928). The Early Indian Wildfowler of Vancouver Island. Zenodo.
Cita Chicago (17th ed.)Sprot, G. D. The Early Indian Wildfowler of Vancouver Island. Zenodo, 1928.
Cita MLA (9th ed.)Sprot, G. D. The Early Indian Wildfowler of Vancouver Island. Zenodo, 1928.
Atenció: Aquestes cites poden no estar 100% correctes.