Linnaeus, C. (1758). Cypraea annulus Linnaeus, 1758, spec. nov. Zenodo.
Cita Chicago (17th ed.)Linnaeus, Carolus. Cypraea Annulus Linnaeus, 1758, Spec. Nov. Zenodo, 1758.
Cita MLA (9th ed.)Linnaeus, Carolus. Cypraea Annulus Linnaeus, 1758, Spec. Nov. Zenodo, 1758.
Atenció: Aquestes cites poden no estar 100% correctes.