APA (7th ed.) Citation

Hardersen, P. S. (1997). The case for space: Who benefits from explorations of the last frontier. ATL Press.

Chicago Style (17th ed.) Citation

Hardersen, Paul S. The Case for Space: Who Benefits from Explorations of the Last Frontier. Shrewsbury, Mass.: ATL Press, 1997.

MLA (9th ed.) Citation

Hardersen, Paul S. The Case for Space: Who Benefits from Explorations of the Last Frontier. ATL Press, 1997.