Use of your picture for a book edit

Hi,

We’d like to use one of your pictures for a book that will be publish next fall. On wikimedia, it says that the picture is copyright free.

The title of the book is Secrets de plantes 2 and the name of the author is Fabien Girard. The initial print run will be 1000 copies.

We’d like to have your autorisation by e-mail to use this picture. If you accept, what is the exact name of the source that we must write beside the picture?

Here are the link of the picture.

http://commons.wikimedia.org/wiki/File:Broadleaf_Plantain_(Plantago_major)_growing_in_crack_in_sidewalk.JPG

Stéphane Aubut Editor assistant for Les Éditions JCL

stephane@jcl.qc.ca