Elijah’s particular example is the phrase εἰς γενεὰς καὶ γενεάς in the Tyndale House Greek New Testament and related phrases in Origen and Chrysostom.
But the principle applies much more broadly. As wonderful as it is to have things like Migne’s editions available so easily online, it remains necessary to consult more recent critical editions to ensure you’re working with the best text of whatever father.
Contra the example given in SBLHS, the series number is best indicated by a 1 or 2 plus a solidus preceding the volume number (not a superscripted 1 or 2). Thus volume 12 of the second series would be cited as follows:
Based on the investigations of Neander, Böhringer, and others, Life of John Chrysostom details the “golden-mouthed” orator’s influence on Asia Minor. It offers a look into his role as preacher and bishop, his interactions with different sects and notable persons during his life, and an exacting account of his three-year exile.
For more information or to download the resource, please visit the Logos website.