Language:
كتاب المغازى
64  
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
(35)
Chapter: The Ghazwa of Al-Hudaibiya
(35)
باب غَزْوَةِ الْحُدَيْبِيَةِ
Sahih al-Bukhari 4148

Narrated Anas:

Allah's Messenger (ﷺ) performed four `Umras, all in the month of Dhul-Qa'da, except the one which he performed with his Hajj (i.e. in Dhul-Hijja). He performed one `Umra from Al-Hudaibiya in Dhul- Qa'da, another `Umra in the following year in Dhul Qa'da a third from Al-Jirana where he distributed the war booty of Hunain, in Dhul Qa'da, and the fourth `Umra he performed was with his Hajj.

حَدَّثَنَا هُدْبَةُ بْنُ خَالِدٍ، حَدَّثَنَا هَمَّامٌ، عَنْ قَتَادَةَ، أَنَّ أَنَسًا ـ رضى الله عنه ـ أَخْبَرَهُ قَالَ اعْتَمَرَ رَسُولُ اللَّهِ صلى الله عليه وسلم أَرْبَعَ عُمَرٍ كُلُّهُنَّ فِي ذِي الْقَعْدَةِ، إِلاَّ الَّتِي كَانَتْ مَعَ حَجَّتِهِ‏.‏ عُمْرَةً مِنَ الْحُدَيْبِيَةِ فِي ذِي الْقَعْدَةِ، وَعُمْرَةً مِنَ الْعَامِ الْمُقْبِلِ فِي ذِي الْقَعْدَةِ، وَعُمْرَةً مِنَ الْجِعْرَانَةِ حَيْثُ قَسَمَ غَنَائِمَ حُنَيْنٍ فِي ذِي الْقَعْدَةِ، وَعُمْرَةً مَعَ حَجَّتِهِ‏.‏
Reference : Sahih al-Bukhari 4148
In-book reference : Book 64, Hadith 192
USC-MSA web (English) reference : Vol. 5, Book 59, Hadith 469
  (deprecated numbering scheme)