International Conference on Gravitational Lenses & Kayser, R. (1992). Gravitational lenses: Proceedings of a conference held in Hamburg, Germany, 9 - 13 September 1991. Lecture notes in physics.
Chicago Style (17th ed.) CitationInternational Conference on Gravitational Lenses and Rainer Kayser. "Gravitational Lenses: Proceedings of a Conference Held in Hamburg, Germany, 9 - 13 September 1991." Lecture Notes in Physics 1992.
MLA (9th ed.) CitationInternational Conference on Gravitational Lenses and Rainer Kayser. "Gravitational Lenses: Proceedings of a Conference Held in Hamburg, Germany, 9 - 13 September 1991." Lecture Notes in Physics, 1992.
Warning: These citations may not always be 100% accurate.