Não informado. (1942). Monthly Notes of the Astronomical Society of South Africa. Astronomical Society of Southern Africa.
Style de citation Chicago (17e éd.)Não informado. Monthly Notes of the Astronomical Society of South Africa. Cape Town, Africa do Sul: Astronomical Society of Southern Africa, 1942.
Style de citation MLA (8e éd.)Não informado. Monthly Notes of the Astronomical Society of South Africa. Astronomical Society of Southern Africa, 1942.
Attention : ces citations peuvent ne pas être correctes à 100%.