APA (7th ed.) Citation

European Aerospace Conference on Progress in Space Transportationn, European Space Agency, & Association aéronautique et astronautique de France. (1989). Proceedings of the second European Aerospace Conference on Progress in Space Transportation: 22-24 May 1989, Bonn Bad Godesberg, FR Germany. ESA Publications Division.

Chicago Style (17th ed.) Citation

European Aerospace Conference on Progress in Space Transportationn, European Space Agency, and Association aéronautique et astronautique de France. Proceedings of the Second European Aerospace Conference on Progress in Space Transportation: 22-24 May 1989, Bonn Bad Godesberg, FR Germany. Noordwijk: ESA Publications Division, 1989.

MLA (9th ed.) Citation

European Aerospace Conference on Progress in Space Transportationn, et al. Proceedings of the Second European Aerospace Conference on Progress in Space Transportation: 22-24 May 1989, Bonn Bad Godesberg, FR Germany. ESA Publications Division, 1989.