APA (7th ed.) Citation

(1990). From Helsinki to Vienna: Basic documents of the Helsinki process. Nijhoff.

Chicago Style (17th ed.) Citation

From Helsinki to Vienna: Basic Documents of the Helsinki Process. Dordrecht [u.a.]: Nijhoff, 1990.

MLA (9th ed.) Citation

From Helsinki to Vienna: Basic Documents of the Helsinki Process. Nijhoff, 1990.

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