Megaphot e.V. & Borgeest, U. (1993). The need for a dedicated optical quasar monitoring telescope: Proceedings of the 1st Megaphot Workshop held in Hamburg, 1993 March 30/31. ... Megaphot Workshop.
Chicago Style (17th ed.) CitationMegaphot e.V. and Ulf Borgeest. "The Need for a Dedicated Optical Quasar Monitoring Telescope: Proceedings of the 1st Megaphot Workshop Held in Hamburg, 1993 March 30/31." ... Megaphot Workshop 1993.
MLA (9th ed.) CitationMegaphot e.V. and Ulf Borgeest. "The Need for a Dedicated Optical Quasar Monitoring Telescope: Proceedings of the 1st Megaphot Workshop Held in Hamburg, 1993 March 30/31." ... Megaphot Workshop, 1993.
Warning: These citations may not always be 100% accurate.