Smith 1999. Op. cit is contrasted with ibid., an abbreviation of the Latin adverb ibidem, meaning in the same place; in that very place which refers the reader to the title of the work in the preceding footnote. The easily confused idem (sometimes abbreviated id.
Just to be safe I would have to say leave it in a room temperature area; away from any windows or heaters that can affect the temperature of the egg; for about 6 or 7 hours at the least.
Note: The temperature of the egg at the start of the cooking process will affect the cooking time. An egg that is at room temperature at the start of the cooking process will require about 1 minute less cooking time for each time listed above. The times listed above are based on eggs taken directly from the refrigerator. After the required time has elapsed, run cold water over the eggs to stop the cooking process.