Bulugh al-Maram, Book 1, Hadith 53 (English)

Narrated Jabir bin ‘Abdullah (rad): Regarding the Hajj of the Prophet: He said, “Begin with what Allah had begun with” [ Reported by An-Nasa’i in this commanding version while Muslim has reported it in the reporting one].

وَعَنْ جَابِرٍ بْنِ عَبْدِ اَللَّهِ رَضِيَ اَللَّهُ عَنْهُمَا ‏-فِي صِفَةِ حَجِّ اَلنَّبِيِّ صَلَّى اَللَّهُ عَلَيْهِ وَسَلَّمَ‏- قَالَ ‏- صلى الله عليه وسلم ‏-{ اِبْدَؤُوا بِمَا بَدَأَ اَللَّهُ بِهِ } أَخْرَجَهُ النَّسَائِيُّ, هَكَذَا بِلَفْظِ اَلْأَمْر ِ (60)‏ وَهُوَ عِنْدَ مُسْلِمٍ بِلَفْظِ اَلْخَبَر ِ (61)‏.‏ ‏2 ‏- صحيح.‏ النسائي (536)‏.‏‏3 ‏- مسلم (2/888)‏، أي: بلفظ: "أبدأ" وانظر رقم (742)‏.‏

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also referenced under: Book 1, Hadith 55 (In-Book)