APA (7th ed.) Citation

Wolfrum, R. (2008). WTO - trade in services. Max Planck commentaries on world trade law.

Chicago Style (17th ed.) Citation

Wolfrum, Rüdiger. "WTO - Trade in Services." Max Planck Commentaries on World Trade Law 2008.

MLA (9th ed.) Citation

Wolfrum, Rüdiger. "WTO - Trade in Services." Max Planck Commentaries on World Trade Law, 2008.

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