APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

Napolitano, L. G., P. Contensou, and 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.

MLA (9th ed.) Citation

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.