APA (7e ed.) Bronvermelding

Não informado. (1957). Journal of the Astronautical Sciences. American Astronautical Society.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of the Astronautical Sciences. New York: American Astronautical Society, 1957.

MLA (8e ed.) Bronvermelding

Não informado. Journal of the Astronautical Sciences. American Astronautical Society, 1957.

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