that account to which account you want to transfer the contacts? I can help you and to antecipate I past how to from Gmail.
To migrate your contacts you will have to:
- Log into your Gmail account and go to Contacts.
- Click on Export as shown in this screenshot:
You will have to export your contacts in vCard format which is the standard that Address Book on the Mac uses:
With the VCARD file you can open www.icloud.com and import in Contacts que VCARD file with your contacts too.