APA (7th ed.) Citation

International Symposium on Astrophysics Research and Science Education Vatican Observatory, Specola vaticana, Vatican Observatory Summer School, & Impey, C. (1999). International symposium on astrophysics research and science education. Vatican Observatory Foundation.

Chicago Style (17th ed.) Citation

International Symposium on Astrophysics Research and Science Education Vatican Observatory, Specola vaticana, Vatican Observatory Summer School, and Chris Impey. International Symposium on Astrophysics Research and Science Education. [Vatican City State]: Vatican Observatory Foundation, 1999.

MLA (9th ed.) Citation

International Symposium on Astrophysics Research and Science Education Vatican Observatory, et al. International Symposium on Astrophysics Research and Science Education. Vatican Observatory Foundation, 1999.