When citing from an inclusive range of two consecutive pages such as pages 25 and 26, one can write
I know this is a question of style, but I am having little luck with Google on this one. Is one much more common than the other? Is f only used with pages, or with lines of a poem and other references as well? Are there any rules which allow both to be used in different circumstances? Does CMoS have anything to say about this?
I am also aware of ff, but unlike f, there is no equivalent for “25ff” other than the strange-looking “25–” (no upper limit).