APA (7th ed.) Citation

Edwin Hubble Centennial Symposium University of California, Berkeley, & Kron, R. G. (1990). Evolution of the universe of galaxies: Edwin Hubble Centennial Symposium. Astronomical Society of the Pacific.

Chicago Style (17th ed.) Citation

Edwin Hubble Centennial Symposium University of California, Berkeley, and Richard G. Kron. Evolution of the Universe of Galaxies: Edwin Hubble Centennial Symposium. San Francisco, Calif.: Astronomical Society of the Pacific, 1990.

MLA (9th ed.) Citation

Edwin Hubble Centennial Symposium University of California, Berkeley, and Richard G. Kron. Evolution of the Universe of Galaxies: Edwin Hubble Centennial Symposium. Astronomical Society of the Pacific, 1990.