APA (7th ed.) Citation

Annen, N. (2003). "Hamburger Erklärung".

Chicago Style (17th ed.) Citation

Annen, Niels. "Hamburger Erklärung". 2003.

MLA (8th ed.) Citation

Annen, Niels. "Hamburger Erklärung". 2003.

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