> Some writers and editors add ’s to every proper noun, be it Hastings’s or Jones’s. There also are a few who add only an apostrophe to all nouns ending in s.
> ..One method, common in newspapers and magazines, is to add an apostrophe plus s (’s) to common nouns ending in s, but only a stand-alone apostrophe to proper nouns ending in s.
> Examples: the class’s hours; Mr. Jones’ golf clubs; The canvas’s size; Texas’ weather
> Some writers and editors add ’s to every proper noun, be it Hastings’s or Jones’s. There also are a few who add only an apostrophe to all nouns ending in s.
> ..One method, common in newspapers and magazines, is to add an apostrophe plus s (’s) to common nouns ending in s, but only a stand-alone apostrophe to proper nouns ending in s.
> Examples: the class’s hours; Mr. Jones’ golf clubs; The canvas’s size; Texas’ weather