International Astronomical Union, Appenzeller, I., & Jordan, C. (1987). Circumstellar matter: ... held in Heidelberg, FRG, June 23 - 27, 1986. Proceedings of the ... symposium of the International Astronomical Union.
Chicago Style (17th ed.) CitationInternational Astronomical Union, Immo Appenzeller, and C. Jordan. "Circumstellar Matter: ... Held in Heidelberg, FRG, June 23 - 27, 1986." Proceedings of the ... Symposium of the International Astronomical Union 1987.
MLA (9th ed.) CitationInternational Astronomical Union, et al. "Circumstellar Matter: ... Held in Heidelberg, FRG, June 23 - 27, 1986." Proceedings of the ... Symposium of the International Astronomical Union, 1987.
Warning: These citations may not always be 100% accurate.