Marx, G. (1988). Bioastronomy -- The Next Steps: Proceedings of the 99th Colloquium of the International Astronomical Union held in Balaton, Hungary, June 22-27, 1987. Springer Netherlands.
Chicago Style (17th ed.) CitationMarx, George. Bioastronomy -- The Next Steps: Proceedings of the 99th Colloquium of the International Astronomical Union Held in Balaton, Hungary, June 22-27, 1987. Dordrecht: Springer Netherlands, 1988.
MLA (9th ed.) CitationMarx, George. Bioastronomy -- The Next Steps: Proceedings of the 99th Colloquium of the International Astronomical Union Held in Balaton, Hungary, June 22-27, 1987. Springer Netherlands, 1988.
Warning: These citations may not always be 100% accurate.