Leach, L. C. (1981). A New Species of Euphorbia from the Karoo. Zenodo.
Cita Chicago (17th ed.)Leach, L C. A New Species of Euphorbia from the Karoo. Zenodo, 1981.
Cita MLA (9th ed.)Leach, L C. A New Species of Euphorbia from the Karoo. Zenodo, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.