Essays on the History of rocketry and astronautics :
proceedings of the third through the sixth history Symposia of the International Academy of Astronautics /
R. Cargill Hall, editor.

APA Citation

History Symposium of the International Academy of Astronautics., International Academy of Astronautics. (1977). Essays on the History of rocketry and astronautics: proceedings of the third through the sixth history Symposia of the International Academy of Astronautics. [Washington, D.C.]: NASA, Scientific and Technical Information Office.

MLA Citation

History Symposium of the International Academy of Astronautics, and International Academy of Astronautics. Essays On the History of Rocketry And Astronautics: Proceedings of the Third Through the Sixth History Symposia of the International Academy of Astronautics. [Washington, D.C.]: NASA, Scientific and Technical Information Office, 1977.