American Standard Version
And I saw a strong angel proclaiming with a great voice, Who is worthy to open the book, and to loose the seals thereof?

Berean Study Bible
And I saw a mighty angel proclaiming in a loud voice, “Who is worthy to break the seals and open the scroll?”

Douay-Rheims Bible
And I saw a strong angel, proclaiming with a loud voice: Who is worthy to open the book, and to loose the seals thereof?

English Revised Version
And I saw a strong angel proclaiming with a great voice, Who is worthy to open the book, and to loose the seals thereof?

King James Bible
And I saw a strong angel proclaiming with a loud voice, Who is worthy to open the book, and to loose the seals thereof?

World English Bible
I saw a mighty angel proclaiming with a loud voice, "Who is worthy to open the book, and to break its seals?"

Young's Literal Translation
and I saw a strong messenger crying with a great voice, 'Who is worthy to open the scroll and to loose the seals of it?'

Revelation 5:2 Additional Translations ...