Sagan, C., & Agel, p. J. (1975). The cosmic connection. Coronet Books.
Chicagoスタイル(17版)引用形式Sagan, Carl, , prod. Jerome Agel. The Cosmic Connection. Coronet Books, 1975.
MLA(8版)引用形式Sagan, Carl, , prod. Jerome Agel. The Cosmic Connection. Coronet Books, 1975.
警告: この引用は必ずしも正確ではありません.