APA (7th ed.) Citation

International Astronomical Union, Lieske, J. H., & Abalakin, V. K. (1990). Inertial coordinate system on the sky: Proceedings of the 141th Symposium of the International Astronomical Union, held in Leningrad, U. S. S. R, October 17 - 21, 1989. Proceedings of the ... symposium of the International Astronomical Union.

Chicago Style (17th ed.) Citation

International Astronomical Union, Jay H. Lieske, and Viktor Kuzʹmič Abalakin. "Inertial Coordinate System on the Sky: Proceedings of the 141th Symposium of the International Astronomical Union, Held in Leningrad, U. S. S. R, October 17 - 21, 1989." Proceedings of the ... Symposium of the International Astronomical Union 1990.

MLA (9th ed.) Citation

International Astronomical Union, et al. "Inertial Coordinate System on the Sky: Proceedings of the 141th Symposium of the International Astronomical Union, Held in Leningrad, U. S. S. R, October 17 - 21, 1989." Proceedings of the ... Symposium of the International Astronomical Union, 1990.