APA

Schwartz Mortimer D,, . (1978). Proceedings of the twentieth colloquium on the law of outer space. New York: Little,Brown & Co.

Chicago

Schwartz Mortimer D,, . 1978. Proceedings of the twentieth colloquium on the law of outer space. New York: Little,Brown & Co.

Harvard

Schwartz Mortimer D,, . (1978). Proceedings of the twentieth colloquium on the law of outer space. New York: Little,Brown & Co.

MLA

Schwartz Mortimer D,, . Proceedings of the twentieth colloquium on the law of outer space. New York: Little,Brown & Co. 1978.