Rycroft, M. J., & Runcorn, S. K. (1973). Cospar space research XIII: Proceedings of open meetings of working groups on physical sciences of the 15th plenary meeting of COSPAR Madrid, Spain, 10-24 May 1972. Akademie-Verlag.
Chicago Style (17th ed.) CitationRycroft, Michael J., and Stanley K. Runcorn. Cospar Space Research XIII: Proceedings of Open Meetings of Working Groups on Physical Sciences of the 15th Plenary Meeting of COSPAR Madrid, Spain, 10-24 May 1972. Berlin: Akademie-Verlag, 1973.
MLA (9th ed.) CitationRycroft, Michael J., and Stanley K. Runcorn. Cospar Space Research XIII: Proceedings of Open Meetings of Working Groups on Physical Sciences of the 15th Plenary Meeting of COSPAR Madrid, Spain, 10-24 May 1972. Akademie-Verlag, 1973.
Warning: These citations may not always be 100% accurate.