Invocation for Traveling (End of a Journey – Upon Returning)
You may have noticed that this supplication is virtually identical to the Supplication for the Start of a Journey, except with the addition of the last line. So to help in memorization, following is audio of just the last line,
Following is the hadith (a version of) that this supplication is taken from,
Sahih Muslim.Volume 3, Hadith #3275, pg 494. 
“Fortress of the Muslim, Invocations from the Qur’an and Sunnah”. Compiled by Said bin Wahf Al-Qahtani. Darussalam. 7th Edition July, 2006. pg 200.