: Traditionally used, but the latest (18th) edition now discourages it in favor of shortened author-title references to avoid reader confusion.
: Never uses "Ibid.". Use author-date parenthetical citations instead. : Traditionally used, but the latest (18th) edition
: You can only use it if the source you are citing is exactly the same as the one directly above it. : Traditionally used
: Often uses "Id." instead of "Ibid." as the standard abbreviation for the same purpose. etc.) you're using
If you tell me which (Chicago, Turabian, etc.) you're using, I can give you the exact formatting rules for your paper. Ibid: Unveiling The Meaning And Usage Of This Acronym - Ftp