Não informado. (2002). Bulletin of the Massachusetts Audubon Society. Massachusetts Audubon Society.
Cita Chicago Style (17a ed.)Não informado. Bulletin of the Massachusetts Audubon Society. Boston, Mass: Massachusetts Audubon Society, 2002.
Cita MLA (8a ed.)Não informado. Bulletin of the Massachusetts Audubon Society. Massachusetts Audubon Society, 2002.
Precaución: Estas citas no son 100% exactas.