APA aipamena

Leuprecht, C., Sokolsky, J. J., & Hughes, T. (2020). North American Strategic Defense in the 21st Century. Springer International Publishing.

Chicago Style aipamena

Leuprecht, Christian, Joel J. Sokolsky, và Thomas Hughes. North American Strategic Defense in the 21st Century. Springer International Publishing, 2020.

MLA aipamena

Leuprecht, Christian, Joel J. Sokolsky, và Thomas Hughes. North American Strategic Defense in the 21st Century. Springer International Publishing, 2020.