Cita APA (7a ed.)
GRIGGS, G. B. (1977). GEOLOGIS HAZARDS, RESOURCES, AND ENVIRONMENTAL PLANNING. WADSWORTH.
Cita Chicago Style (17a ed.)
GRIGGS, GARY B. GEOLOGIS HAZARDS, RESOURCES, AND ENVIRONMENTAL PLANNING. BELMONT: WADSWORTH, 1977.
Cita MLA (9a ed.)
GRIGGS, GARY B. GEOLOGIS HAZARDS, RESOURCES, AND ENVIRONMENTAL PLANNING. WADSWORTH, 1977.
Precaución: Estas citas no son 100% exactas.