American Orchid Society. (1961). American Orchid Society Bulletin. American Orchid Society.
Cita Chicago Style (17a ed.)American Orchid Society. American Orchid Society Bulletin. Massachusetts: American Orchid Society, 1961.
Cita MLA (8a ed.)American Orchid Society. American Orchid Society Bulletin. American Orchid Society, 1961.
Precaución: Estas citas no son 100% exactas.