APA (7e ed.) Bronvermelding

Não informado. (1942). Monthly Notes of the Astronomical Society of South Africa. Astronomical Society of Southern Africa.

Chicago (17e ed.) Bronvermelding

Não informado. Monthly Notes of the Astronomical Society of South Africa. Cape Town, Africa do Sul: Astronomical Society of Southern Africa, 1942.

MLA (8e ed.) Bronvermelding

Não informado. Monthly Notes of the Astronomical Society of South Africa. Astronomical Society of Southern Africa, 1942.

Let op: Deze citaties zijn niet altijd 100% accuraat.