APA (7th ed.) Citation

Usiak, J., & Ivancik, R. (2014). Economy and defence in the NATO member states.

Chicago Style (17th ed.) Citation

Usiak, Ja, and R. Ivancik. Economy and Defence in the NATO Member States. 2014.

MLA (8th ed.) Citation

Usiak, Ja, and R. Ivancik. Economy and Defence in the NATO Member States. 2014.

Warning: These citations may not always be 100% accurate.