Spencer, B. G. (1956). The big blowup. Caxton Printers.
Cita Chicago Style (17a ed.)Spencer, Betty Goodwin. The Big Blowup. Caldwell, Idaho: Caxton Printers, 1956.
Cita MLA (8a ed.)Spencer, Betty Goodwin. The Big Blowup. Caxton Printers, 1956.
Precaución: Estas citas no son 100% exactas.