Massachusetts Horticultural Society, Horticultural Society of New York, & Pennsylvania Horticultural Society. Horticulture. Massachusetts Horticultural Society.
Cita Chicago Style (17a ed.)Massachusetts Horticultural Society, Horticultural Society of New York, y Pennsylvania Horticultural Society. Horticulture. Boston: Massachusetts Horticultural Society.
Cita MLA (8a ed.)Massachusetts Horticultural Society, et al. Horticulture. Massachusetts Horticultural Society.
Precaución: Estas citas no son 100% exactas.