Cockerell, S. C. (1885). Abnormal Spiral banding in our Land and Freshwater Mollusca. Zenodo.
Cita Chicago (17th ed.)Cockerell, Sydney C. Abnormal Spiral Banding in Our Land and Freshwater Mollusca. Zenodo, 1885.
Cita MLA (9th ed.)Cockerell, Sydney C. Abnormal Spiral Banding in Our Land and Freshwater Mollusca. Zenodo, 1885.
Atenció: Aquestes cites poden no estar 100% correctes.