Não informado. (1968). Astrophysics and Space Science: An international journal of cosmic physics. D. Reidel Publishing.
Cita Chicago Style (17a ed.)Não informado. Astrophysics and Space Science: An International Journal of Cosmic Physics. Dordrecht, Holanda: D. Reidel Publishing, 1968.
Cita MLA (8a ed.)Não informado. Astrophysics and Space Science: An International Journal of Cosmic Physics. D. Reidel Publishing, 1968.
Precaución: Estas citas no son 100% exactas.