APA (7th ed.) Citation

Duffield, D. M. (1977). United States security interests in Eastern Europe: The case of Poland. National Defense University, Research Directorate.

Chicago Style (17th ed.) Citation

Duffield, Daniel M. United States Security Interests in Eastern Europe: The Case of Poland. Washington: National Defense University, Research Directorate, 1977.

MLA (9th ed.) Citation

Duffield, Daniel M. United States Security Interests in Eastern Europe: The Case of Poland. National Defense University, Research Directorate, 1977.