I know the author is quoting Berry - but so what?

"Almost every species of tree has a voice," the authors quote Thomas Hardy.

The author quotes the head of the consumer electronics division saying he did not learn of the problem for several weeks.

The author may quote further from the Marvelous journal at a later date, or he may not.

In a chapter on building a collection, the author quotes advice from curators and experienced collectors.

Her publisher concedes that in some cases, the author quotes anonymous sources who have nothing good to say about Microsoft.

There is a friendly Australian newspaper report, from which the author quotes a paragraph about himself.

While the author quotes friends who say "there's never a right time," there are certainly times and situations that are better than others.

The authors quote textual evidence from the book of Enoch.

The author quoted twenty-nine authorities in his work, some of which are entirely lost to us now.