Leonard, E. C. (1925). Fern Collecting in Haiti: II. Zenodo.
Cita Chicago (17th ed.)Leonard, Emery Clarence. Fern Collecting in Haiti: II. Zenodo, 1925.
Cita MLA (9th ed.)Leonard, Emery Clarence. Fern Collecting in Haiti: II. Zenodo, 1925.
Atenció: Aquestes cites poden no estar 100% correctes.