Wilkins, G. L. (1957). The Cracherode Shell Collection. Zenodo.
Cita Chicago (17th ed.)Wilkins, Guy Lawrence. The Cracherode Shell Collection. Zenodo, 1957.
Cita MLA (9th ed.)Wilkins, Guy Lawrence. The Cracherode Shell Collection. Zenodo, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.