Reference for Exodus 9:1

וַיֹּ֤אמֶר יְהוָה֙ אֶל־מֹשֶׁ֔ה בֹּ֖א אֶל־פַּרְעֹ֑ה וְדִבַּרְתָּ֣ אֵלָ֗יו כֹּֽה־אָמַ֤ר יְהוָה֙ אֱלֹהֵ֣י הָֽעִבְרִ֔ים שַׁלַּ֥ח אֶת־עַמִּ֖י וְיַֽעַבְדֻֽנִי׃

Then the LORD said unto Moses: ‘Go in unto Pharaoh, and tell him: Thus saith the LORD, the God of the Hebrews: Let My people go, that they may serve Me.

BDB

BDB