Cita APA (7th ed.)
Johnson-Freese, J. (2009). Heavenly ambitions: America's quest to dominate space. University of Pennsylvania Press.
Cita Chicago (17th ed.)
Johnson-Freese, Joan. Heavenly Ambitions: America's Quest to Dominate Space. Philadelphia: University of Pennsylvania Press, 2009.
Cita MLA (9th ed.)
Johnson-Freese, Joan. Heavenly Ambitions: America's Quest to Dominate Space. University of Pennsylvania Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.