Use commas to set off parenthetic elements.
Oppenheimer became known, of course, for leading thephysicists who built the atomic bomb at Los Alamos Laboratory.--John S. Rigden, "J. Robert Oppenheimer: Before the War," ScientificAmerican (modified)
Copyright ©2001 The McGraw-Hill Companies. Any use is subject to the Terms of Use and Privacy Policy. McGraw-Hill Higher Education is one of the many fine businesses of
The McGraw-Hill Companies, Inc..