With this hadith and its chain of narration, with the addition that he was seated before the salutation.
حدثنا حجاج بن أبي يعقوب حدثنا يعقوب حدثنا ابن أخي الزهري
بهذا الحديث بإسناده زاد وهو جالس قبل التسليم
No references are available.
Sourcing, [its chain of transmission is sahih], see the previous hadith. Bayhaqi related it, 2/339, from the hadith of Abu Dawud through the same chain.