Hodgdon, A. R. (1965). MOUNTAIN FLOWERS OF NEW ENGLAND. Zenodo.
Cita Chicago (17th ed.)Hodgdon, A. R. MOUNTAIN FLOWERS OF NEW ENGLAND. Zenodo, 1965.
Cita MLA (9th ed.)Hodgdon, A. R. MOUNTAIN FLOWERS OF NEW ENGLAND. Zenodo, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.