Napolitano, L. G., Contensou, P., & Hilton, W. F. (1973). Astronautical Research 1971: Proceedings of the 22nd Congress of the International Astronautical Federation Brussels, 20–25 September 1971. Springer Netherlands. https://doi.org/10.1007/978-94-010-2559-1
Chicago-Zitierstil (17. Ausg.)Napolitano, L. G., P. Contensou, und W. F. Hilton. Astronautical Research 1971: Proceedings of the 22nd Congress of the International Astronautical Federation Brussels, 20–25 September 1971. Dordrecht: Springer Netherlands, 1973. https://doi.org/10.1007/978-94-010-2559-1.
MLA-Zitierstil (9. Ausg.)Napolitano, L. G., et al. Astronautical Research 1971: Proceedings of the 22nd Congress of the International Astronautical Federation Brussels, 20–25 September 1971. Springer Netherlands, 1973. https://doi.org/10.1007/978-94-010-2559-1.