Não informado. (1935). Planning and Civic Comment. National Conference on State Parks.
Cita Chicago Style (17a ed.)Não informado. Planning and Civic Comment. Washington: National Conference on State Parks, 1935.
Cita MLA (8a ed.)Não informado. Planning and Civic Comment. National Conference on State Parks, 1935.
Precaución: Estas citas no son 100% exactas.