Não informado. (1936). Sky: Magazine of cosmic news. Amateur Astronomers Association.
Style de citation Chicago (17e éd.)Não informado. Sky: Magazine of Cosmic News. New York: Amateur Astronomers Association, 1936.
Style de citation MLA (8e éd.)Não informado. Sky: Magazine of Cosmic News. Amateur Astronomers Association, 1936.
Attention : ces citations peuvent ne pas être correctes à 100%.