Não informado. (1967). Astrophysical Letters. Gordon and Breach Science Publishers.
Chicagoスタイル(17版)引用形式Não informado. Astrophysical Letters. New York: Gordon and Breach Science Publishers, 1967.
MLA(8版)引用形式Não informado. Astrophysical Letters. Gordon and Breach Science Publishers, 1967.
警告: この引用は必ずしも正確ではありません.