APA (7e ed.) Bronvermelding

Não informado. (1967). Astrophysical Letters. Gordon and Breach Science Publishers.

Chicago (17e ed.) Bronvermelding

Não informado. Astrophysical Letters. New York: Gordon and Breach Science Publishers, 1967.

MLA (8e ed.) Bronvermelding

Não informado. Astrophysical Letters. Gordon and Breach Science Publishers, 1967.

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