Lago, M. T. V. T. (1999). The Non-Sleeping Universe: Proceedings of two conferences on: ‘Stars and the ISM’ held from 24–26 November 1997 and on: ‘From Galaxies to the Horizon’ held from 27–29 November, 1997 at the Centre for Astrophysics of the University of Porto, Portugal. Springer Netherlands. https://doi.org/10.1007/978-94-011-4497-1
Chicago-Zitierstil (17. Ausg.)Lago, M. T. V. T. The Non-Sleeping Universe: Proceedings of Two Conferences on: ‘Stars and the ISM’ Held from 24–26 November 1997 and on: ‘From Galaxies to the Horizon’ Held from 27–29 November, 1997 at the Centre for Astrophysics of the University of Porto, Portugal. Dordrecht: Springer Netherlands, 1999. https://doi.org/10.1007/978-94-011-4497-1.
MLA-Zitierstil (9. Ausg.)Lago, M. T. V. T. The Non-Sleeping Universe: Proceedings of Two Conferences on: ‘Stars and the ISM’ Held from 24–26 November 1997 and on: ‘From Galaxies to the Horizon’ Held from 27–29 November, 1997 at the Centre for Astrophysics of the University of Porto, Portugal. Springer Netherlands, 1999. https://doi.org/10.1007/978-94-011-4497-1.