Cita APA (7a ed.)

Sagan, S. D., & Sagan, S. D. (1989). Moving Targets: Nuclear Strategy and National Security. Princeton university press.

Cita Chicago Style (17a ed.)

Sagan, Scott Douglas, y Scott Douglas Sagan. Moving Targets: Nuclear Strategy and National Security. Princeton, N.J.: Princeton university press, 1989.

Cita MLA (8a ed.)

Sagan, Scott Douglas, y Scott Douglas Sagan. Moving Targets: Nuclear Strategy and National Security. Princeton university press, 1989.