Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX2012

Psalms 77:44

and had changed their rivers into blood; and their streams, that they should not drink.

Parallel Translations

LXXView canonical →
and had changed their rivers into blood; and their streams, that they should not drink.
Brenton's Septuagint Translation