Xiaobaitu, need your help,Thanks!

Xiaobaitu, a question about how to file a joint tax. I married a citizen for a few months, it will be the first time to file the joint tax this year. My GC case is in processing, not working curently, my hu*****and is working. want to know what is the right way to file tax. I want to invite my parents here after I get the GC, need to know how to file the joint tax properly so later we can sponse my parents. Thanks for your help!