Não informado. (1969). Comments on astrophysics and space physics. Gordon and Breach.
Cita Chicago Style (17a ed.)Não informado. Comments on Astrophysics and Space Physics. New York: Gordon and Breach, 1969.
Cita MLA (8a ed.)Não informado. Comments on Astrophysics and Space Physics. Gordon and Breach, 1969.
Precaución: Estas citas no son 100% exactas.