Help! How do I cancel an ad I didn't place!

[Sportyspots]

Hi, last year I advertised my horse on Horsequest and Horse & hound but he sold localy before the ads even appeared. That was Nov 2010, now same horse is in Horse Mart with the wording from the H&H ad and my phone no etc. I didn't place this ad and obviously don't want it there. I can't log in and change ad to sold because I didn't place it and can't find any phone number or email address for HorseMart! The magazine is not sold in any of my local shops so getting hold of printed version to see if there is contact info is difficult. So anyone any idea how I cancel, also am I likely to be charged?
Cookies and chocs to anyone with info thanks.

 

[Toby_Zaphod]

This link takes you to their contact page , as below
http://www.horsemart.co.uk/contacts.php

If you wish to contact us, then you can write or email to the address shown below.

Photos: photo@horsemart.co.uk
Enquiries: enquiries@horsemart.co.uk
Comments: comments@horsemart.co.uk

 

[Sportyspots]

Thank you, always get quick replies on here thanks

 

[Clippy]

Horsemart copy ads from other places to fill their site up!