AAS Goddard Memorial Symposium Washington & Ferdman, S. (1973). The second fifteen years in space: Proceedings.
Chicago Style (17th ed.) CitationAAS Goddard Memorial Symposium Washington and Saul Ferdman. The Second Fifteen Years in Space: Proceedings. 1973.
MLA (9th ed.) CitationAAS Goddard Memorial Symposium Washington and Saul Ferdman. The Second Fifteen Years in Space: Proceedings. 1973.
Warning: These citations may not always be 100% accurate.