both.
the term "a god" is found in the NWT Bible from the Jehovah Witnesses.
Bible Hub writes:
New International Version (2011)
In the beginning was the Word, and the Word was with God, and the Word was God.
New Living Translation (2007)
In the beginning the Word already existed. The Word was with God, and the Word was God.
English Standard Version (2001)
In the beginning was the Word, and the Word was with God, and the Word was God.
New American Standard Bible (1995)
In the beginning was the Word, and the Word was with God, and the Word was God.
King James Bible (Cambridge Ed.)
In the beginning was the Word, and the Word was with God, and the Word was God.
Holman Christian Standard Bible (2009)
In the beginning was the Word, and the Word was with God, and the Word was God.
International Standard Version (2012)
In the beginning, the Word existed. The Word was with God, and the Word was God.
NET Bible (2006)
In the beginning was the Word, and the Word was with God, and the Word was fully God.
Aramaic Bible in Plain English (2010)
In the origin The Word had been existing and That Word had been existing with God and That Word was himself God.
GOD'S WORD Translation (1995)
In the beginning the Word already existed. The Word was with God, and the Word was God.
King James 2000 Bible (2003)
In the beginning was the Word, and the Word was with God, and the Word was God.
American King James Version
In the beginning was the Word, and the Word was with God, and the Word was God.
American Standard Version
In the beginning was the Word, and the Word was with God, and the Word was God.
Douay-Rheims Bible
IN the beginning was the Word, and the Word was with God, and the Word was God.
Darby Bible Translation
In the beginning was the Word, and the Word was with God, and the Word was God.
English Revised Version
In the beginning was the Word, and the Word was with God, and the Word was God.
Webster's Bible Translation
In the beginning was the Word, and the Word was with God, and the Word was God.
Weymouth New Testament
In the beginning was the Word, and the Word was with God, and the Word was God.
World English Bible
In the beginning was the Word, and the Word was with God, and the Word was God.
Young's Literal Translation
In the beginning was the Word, and the Word was with God, and the Word was God