Thread:Hornacek/@comment-4136655-20170921033438

Like I said, I did look for if "s's" or "s'" is correct. I have found a few sources that do indicate that both are grammatically correct in English for:


 * Perdue OWL: https://owl.english.purdue.edu/owl/resource/621/1/
 * Grammar Book: http://www.grammarbook.com/punctuation/apostro.asp
 * Oxford Dictionary: https://en.oxforddictionaries.com/punctuation/apostrophe
 * BBC: http://www.bbc.co.uk/worldservice/learningenglish/grammar/learnit/learnitv57.shtml
 * University of Sussex: http://www.sussex.ac.uk/informatics/punctuation/apostrophe/possessives
 * Chicago Manual of Style: http://www.chicagomanualofstyle.org/qanda/data/faq/topics/PossessivesandAttributives.html 