4 ms·
The Chicago Manual of Style which is pretty much the authority in the USA says you do apostrophe-s for all possessives even if it ends in an “s”. So “Ross’s” if
by tatersolid 7y ago
The Chicago Manual of Style which is pretty much the authority in the USA says you do apostrophe-s for all possessives even if it ends in an “s”. So “Ross’s” if it is a singular Ross.
But if you’re describing a family possession, it would be Rosses’ as is possessed by more than one Ross.