LSB, single-column, inside reference, red letter, indexed, goat skin.
Most readable yet hyper literal (NASB tradition) translation of the Hebrew/Aramaic/Greek manuscripts.
The Bible is small enough ...
Cambridge do the references in the middle like that with their Pitt Minion series. This bible will fit in your pocket and yet somehow it's a pleasure to read. https://evangelicalbible.com/cambridge-pitt-minion-esv/