New York Botanical Garden & American Society of Plant Taxonomists. (1931). Brittonia. New York Botanical Garden.
Cita Chicago (17th ed.)New York Botanical Garden i American Society of Plant Taxonomists. Brittonia. Bronx, N.Y.: New York Botanical Garden, 1931.
Cita MLA (8th ed.)New York Botanical Garden i American Society of Plant Taxonomists. Brittonia. New York Botanical Garden, 1931.
Atenció: Aquestes cites poden no estar 100% correctes.
