Citation building is very essential in Local SEO. It is the backbone and the foundation of a business who wants to get good ranks in Google. Tips for successful Citation building campaign: 1. Accuracy of the Name, address and phone number is the key to gain excellent citations from third-party directories. 2. Choosing the right keyword. 3. Choosing the most relevant directory. 4. Last, even though the minimum requirement is the NAPs, it is highly recommended to input as many business information as possible(product,image,description etc.) I hope this can help. Enjoy!