Translator in the author field.

[Koenraad]

Your translation seems already to be on Goodreads:

http://www.goodreads.com/book/show/17...

You can claim your author profile here:

http://www.goodreads.com/author/confi...

[Catalina]

If there are other book on which your name must be added, just post the list with the according ISBN and a librarian will do it :)