(1) باب مَا جَاءَ فِي الْوِتْرِ
Nafi` told that `Abdullah bin `Umar used to say Taslim between (the first) two Rak`at and (the third)odd one in the Witr prayer, when he wanted to attend to a certain matter (during that interval between the Rak`at).
Reference: Sahih al-Bukhari 991
In-book reference: Book 14, Hadith 2
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 16, Hadith 105