It wasnarrated that 'Aishah said:
"The Messenger of Allah (ﷺ) usedtosay Taslim after every two Rak'ah, and he would perform Witr withone Rak'ah." (IT)
English reference (IT): Vol. 1, Book 5, Hadith 1177 (IT)
Arabic reference (IT): Book 5, Hadith 1233 (IT)