Brown, W. E. (1971). Islands of hope: Parks and recreation in environmental crisis. National Recreation and Park Association.
Citação do estilo Chicago (17ª ed.)Brown, William E. Islands of Hope: Parks and Recreation in Environmental Crisis. [Washington: National Recreation and Park Association, 1971.
Citação MLA (8ª ed.)Brown, William E. Islands of Hope: Parks and Recreation in Environmental Crisis. National Recreation and Park Association, 1971.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.