give /quote something/someone chapter and verse idiom
给出…的准确出处;向…提供(信息的)准确出处
to give exact information about something, especially something in a book
I can't quote you chapter and verse but I think it's a line from "Macbeth". 我说不出它的具体出处,可我觉得它是《麦克白》里的一句台词。