Translation
(8) Prayer (Kitab Al-Salat): Detailed Injunctions about Witr
كتاب الوتر
(509) Chapter: Regarding Supplication (Ad-Du'a)
(23) باب الدُّعَاءِ
Sunan Abi Dawud 1494 
The aforesaid tradition has been transmitted through a different chain of narrators by Malik b. Mighwal. This verso adds:
"He has asked Allah using His Greatest Name."
حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ خَالِدٍ الرَّقِّيُّ، حَدَّثَنَا زَيْدُ بْنُ حُبَابٍ، حَدَّثَنَا مَالِكُ بْنُ مِغْوَلٍ، بِهَذَا الْحَدِيثِ قَالَ فِيهِ ‏ "‏ لَقَدْ سَأَلْتَ اللَّهَ عَزَّ وَجَلَّ بِاسْمِهِ الأَعْظَمِ ‏"‏ ‏.‏
Grade :  Sahih (Al-Albani) صحيح  (الألباني)حكم :
Reference : Sunan Abi Dawud 1494
In-book reference : Book 8, Hadith 79
English translation : Book 8, Hadith 1489