Não informado. (1953). Southwestern naturalist. Southwestern Association of Naturalist.
Cita Chicago Style (17a ed.)Não informado. Southwestern Naturalist. Lubbock, Tex: Southwestern Association of Naturalist, 1953.
Cita MLA (8a ed.)Não informado. Southwestern Naturalist. Southwestern Association of Naturalist, 1953.
Precaución: Estas citas no son 100% exactas.