(33) The Book on Government
كتاب الإمارة
(28) Chapter: The virtue of Jihad and going out (to fight) in the cause of Allah
(28) باب فَضْلِ الْجِهَادِ وَالْخُرُوجِ فِي سَبِيلِ اللَّهِ ‏‏
Sahih Muslim 1876 b 

The same tradition has been melted through another chain of transmitters.

وَحَدَّثَنَاهُ أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، وَأَبُو كُرَيْبٍ قَالاَ حَدَّثَنَا ابْنُ فُضَيْلٍ، عَنْ عُمَارَةَ، بِهَذَا الإِسْنَادِ ‏.‏
Reference : Sahih Muslim 1876b
In-book reference : Book 33, Hadith 156
USC-MSA web (English) reference : Book 20, Hadith 4627
  (deprecated numbering scheme)