Não informado. (2018). Research Circular. Pennsylvania Department of Forests and Waters.
Cita Chicago Style (17a ed.)Não informado. Research Circular. Harrisburg, Pa: Pennsylvania Department of Forests and Waters, 2018.
Cita MLA (8a ed.)Não informado. Research Circular. Pennsylvania Department of Forests and Waters, 2018.
Precaución: Estas citas no son 100% exactas.