APA (7th ed.) Citation

Asmus, R. D. (2002). Opening NATO's door: How the alliance remade itself for a new era. Columbia University Press.

Chicago Style (17th ed.) Citation

Asmus, Ronald D. Opening NATO's Door: How the Alliance Remade Itself for a New Era. New York: Columbia University Press, 2002.

MLA (9th ed.) Citation

Asmus, Ronald D. Opening NATO's Door: How the Alliance Remade Itself for a New Era. Columbia University Press, 2002.