This hadith has been narrated on the authority of Mansur with the same chain of transmitters and he made a mention of this:" Then he may choose any supplication which pleases him or which he likes
The chain is ordered from the source of the saying to the compiler: 1 = the speaker/first transmitter, the following links those who passed it on in turn, and at the bottom Muslim who compiled the work. Click a narrator to list every hadith in which he appears; the number in parentheses is how many hadiths across the collections on this site the narrator appears in.