The
apostrophe (
’, although often rendered as '), is a
punctuation mark, and sometimes a
mark, in languages that use the
Latin alphabet or certain other alphabets. In English, it serves three purposes:Quirk, Geenbaum, Leech & Svartvik (1985)
A Comprehensive Grammar of the English Language, p. 1636, Longman, London & New York, ISBN 0-582-51734-6.