Não informado. (1968). News and views. American Horticultural Society.
Style de citation Chicago (17e éd.)Não informado. News and Views. Alexandria, Va: American Horticultural Society, 1968.
Style de citation MLA (8e éd.)Não informado. News and Views. American Horticultural Society, 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.