Cita APA (7a ed.)

Papacosma, S. V., & Sperling, J. (2012). NATO after 60 Years: A Stable Crisis. Kent State University Press.

Cita Chicago Style (17a ed.)

Papacosma, S. Victor, y James Sperling. NATO After 60 Years: A Stable Crisis. Kent, Ohio: Kent State University Press, 2012.

Cita MLA (8a ed.)

Papacosma, S. Victor, y James Sperling. NATO After 60 Years: A Stable Crisis. Kent State University Press, 2012.