International Colloquium, Frontiers and Space Conquest (1987 : Paris, France), Schneider, J., & Leger-Orine, M. (1988). Frontiers and space conquest: The philosopher's touchstone. Kluwer Academic Publishers.
Chicago Style (17th ed.) CitationInternational Colloquium, Frontiers and Space Conquest (1987 : Paris, France), Jean Schneider, and Monique Leger-Orine. Frontiers and Space Conquest: The Philosopher's Touchstone. Dordrecht: Kluwer Academic Publishers, 1988.
MLA (9th ed.) CitationInternational Colloquium, Frontiers and Space Conquest (1987 : Paris, France), et al. Frontiers and Space Conquest: The Philosopher's Touchstone. Kluwer Academic Publishers, 1988.
Warning: These citations may not always be 100% accurate.