Feltwell, J. (1978). Butterflies of the Cols of the Cevennes. Zenodo.
Cita Chicago (17th ed.)Feltwell, John. Butterflies of the Cols of the Cevennes. Zenodo, 1978.
Cita MLA (9th ed.)Feltwell, John. Butterflies of the Cols of the Cevennes. Zenodo, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.