I had seen an "Instruction Guide" for the World Health Organization's (WHO) ACE International Questionaire, on their website, which I assumed provided guidance about how to frame questions-for children, .... There was a post elsewhere on ACEsConnection, in the past few days, addressing this issue, but I don't immediately recall where.
If you're doing ACEs histories, please do a short blog post or contact one of the community managers so that we can do so for you.