Não informado. (1940). American Journal of Physics. American Institute of Physics.
Cita Chicago Style (17a ed.)Não informado. American Journal of Physics. New York: American Institute of Physics, 1940.
Cita MLA (8a ed.)Não informado. American Journal of Physics. American Institute of Physics, 1940.
Precaución: Estas citas no son 100% exactas.