Job Recruitment Website - Immigration policy - My sister and brother-in-law have become American citizens this year. How long does it take to apply for immigration under the age of 20? What are the procedures?

My sister and brother-in-law have become American citizens this year. How long does it take to apply for immigration under the age of 20? What are the procedures?

If the father is an American citizen or has brothers and sisters who immigrate, it seems to be 02 now. In addition to marrying a foreigner and smuggling, we can hurry up.

You can see it clearly here, www.uscis.gov/..

All forms, www.Immigrationdirect.com.