Waters, A. C. (1967). Moon craters and Oregon volcanoes. Oregon State System of Higher Education.
Cita Chicago Style (17a ed.)Waters, Aaron C. Moon Craters and Oregon Volcanoes. Eugene: Oregon State System of Higher Education, 1967.
Cita MLA (8a ed.)Waters, Aaron C. Moon Craters and Oregon Volcanoes. Oregon State System of Higher Education, 1967.
Precaución: Estas citas no son 100% exactas.