APA (7th ed.) Citation

Gartmann, H. (1955). The men behind the space rockets. Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Gartmann, Heinz. The Men Behind the Space Rockets. London: Weidenfeld and Nicolson, 1955.

MLA (8th ed.) Citation

Gartmann, Heinz. The Men Behind the Space Rockets. Weidenfeld and Nicolson, 1955.