Sahih Bukhari
Sahih Bukhari Volume 003, Book 046, Hadith Number 697.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 46. Manumission Of Slaves
Narated By Ibn 'Umar : The Prophet said, "Whoever manumits a slave owned by two masters, should manumit him completely (not partially) if he is rich after having its price evaluated."