Astronomische Gesellschaft & Schielicke, R. E. (1999). Astronomical instruments and methods at the turn of the 21st century. Reviews in modern astronomy.
Chicago Style (17th ed.) CitationAstronomische Gesellschaft and Reinhard E. Schielicke. "Astronomical Instruments and Methods at the Turn of the 21st Century." Reviews in Modern Astronomy 1999.
MLA (9th ed.) CitationAstronomische Gesellschaft and Reinhard E. Schielicke. "Astronomical Instruments and Methods at the Turn of the 21st Century." Reviews in Modern Astronomy, 1999.
Warning: These citations may not always be 100% accurate.