Answer
The exact wording is: If I had to order anyone to prostrate to anyone else, I would have ordered the wife to prostrate to her husband.
The Hadith is mentioned in many different books of Hadith such as Abu Dawud (No. 2140) and Haakim (No. 2763) and is authentic.
and Allah Ta’ala Knows Best
Ml. Hussein Kadodia
FATWA DEPT.
CHECKED & APPROVED: Ml. Imraan Vawda