كتاب الصيد والذبائح وما يؤكل من الحيوان
34  
The Book of Hunting, Slaughter, and what may be Eaten
(5)
Chapter: The prohibition of eating the meat of domesticated donkeys
(5)
باب تَحْرِيمِ أَكْلِ لَحْمِ الْحُمُرِ الإِنْسِيَّةِ ‏‏
Sahih Muslim 1802 d

This hadith has been transmitted on the authority of Yazid b. Abu Ubaid.

Reference : Sahih Muslim 1802d
In-book reference : Book 34, Hadith 48
USC-MSA web (English) reference : Book 21, Hadith 4776
  (deprecated numbering scheme)