If you don't have GA and you want your authorship information in Google search results for the content you've published across the web. Then, read this short tutorial to verifying your GA. This article for WordPress users if you're using Blogspot then read given article:
- Recommend For You: Get Google's Verified Authorship For Blogger Blog
Verify Google Authorship Using WordPress Plugin
2. Go to Users > Your Profile
- Go To Contributor To section in your Google+ profile
- Click Add custom link, from the dialog that appears, and then enter the website URL there.
- Click Save and Its Done :)
- Use the Rich Snippets Testing Tool to test have your authorship verified or not. Best of luck!