APA (7th ed.) Citation

(1973). The second fifteen years in space: Proceedings of the 11. Goddard Memorial Symposium ; held March 8 - 9, 1973 in Washington. Univelt.

Chicago Style (17th ed.) Citation

The Second Fifteen Years in Space: Proceedings of the 11. Goddard Memorial Symposium ; Held March 8 - 9, 1973 in Washington. Tarzana, Calif: Univelt, 1973.

MLA (9th ed.) Citation

The Second Fifteen Years in Space: Proceedings of the 11. Goddard Memorial Symposium ; Held March 8 - 9, 1973 in Washington. Univelt, 1973.