International Astronomical Union, Fehrenbach, C., & Westerlund, B. E. (1973). Spectral classification and multicolour photometry.: Symposium ... held in Villa Carlos Paz, Argentina, October 18-24, 1971. Reidel.
Chicago Style (17th ed.) CitationInternational Astronomical Union, Ch Fehrenbach, and Bengt E. Westerlund. Spectral Classification and Multicolour Photometry.: Symposium ... Held in Villa Carlos Paz, Argentina, October 18-24, 1971. Dordrecht, Boston: Reidel, 1973.
MLA (9th ed.) CitationInternational Astronomical Union, et al. Spectral Classification and Multicolour Photometry.: Symposium ... Held in Villa Carlos Paz, Argentina, October 18-24, 1971. Reidel, 1973.
Warning: These citations may not always be 100% accurate.