Não informado. (1960). Quarterly Journal of the Royal Astronomical Society. Blackwell Scientific Publications.
Cita Chicago Style (17a ed.)Não informado. Quarterly Journal of the Royal Astronomical Society. London: Blackwell Scientific Publications, 1960.
Cita MLA (8a ed.)Não informado. Quarterly Journal of the Royal Astronomical Society. Blackwell Scientific Publications, 1960.
Precaución: Estas citas no son 100% exactas.