Não informado. (1953). Southwestern naturalist. Southwestern Association of Naturalist.
Chicago-Zitierstil (17. Ausg.)Não informado. Southwestern Naturalist. Lubbock, Tex: Southwestern Association of Naturalist, 1953.
MLA-Zitierstil (8. Ausg.)Não informado. Southwestern Naturalist. Southwestern Association of Naturalist, 1953.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.