If no date of publication/creation can be identified, use (no date) in the If the work has no page numbers (for example, videos and most websites) the .. Available from: ?v=O_S6mldSB9k [Accessed 13 September 2010]. .. Name of download site [download] [Accessed DD Month YYYY].
You can also visit the Nature Video YouTube channel which enables you to easily .. Nature Video takes a look inside the exclusion zone which surrounds the . closer to dating the divergence between hominoids and Old World monkeys.