Are the commas required?/Placement of comma

In general, inverted commas are used for the titles of articles in a publication, or for song titles. The titles of books are usually rendered in italics or are underlined (the convention of underlining goes back centuries, and was commonly used in hand-written documents). Whatever convention is used to indicate the book title, the commas as punctuation are not needed, and should not be used:

I recommend the book Elements of Grammar to all learners of English.

Or

I recommend the book Elements of Grammar to all learners of English.

Note that the word "Grammar" should be capitalized in that title.

Thanks, Setanta.