Sahih Muslim 10108
In-book no 2831وَحَدَّثَنِيهِ زُهَيْرُ بْنُ حَرْبٍ، حَدَّثَنَا عَفَّانُ، حَدَّثَنَا هَمَّامٌ، حَدَّثَنَا قَتَادَةُ، بِهَذَا الإِسْنَادِ وَقَالَ فِي الْحَدِيثِ فَافْصِلُوا حَجَّكُمْ مِنْ عُمْرَتِكُمْ فَإِنَّهُ أَتَمُّ لِحَجِّكُمْ وَأَتَمُّ لِعُمْرَتِكُمْ .
Qatada narrated this hadith with the same chain of transmitters saying: (That 'Umar also said): Separate your Hajj from 'Umra, for that is the most complete Hajj, and complete your Umra.