Falloon, B. J. (1890). Otina Otis var. candida in Pembrokeshire. Zenodo.
Cita Chicago (17th ed.)Falloon, Beatrice J. Otina Otis Var. Candida in Pembrokeshire. Zenodo, 1890.
Cita MLA (9th ed.)Falloon, Beatrice J. Otina Otis Var. Candida in Pembrokeshire. Zenodo, 1890.
Atenció: Aquestes cites poden no estar 100% correctes.