To cite a speeches use the following format:
Author, 'Title' (additional information, publisher year)
Include the url (web address) and date of access if it is helpful for finding the speech.
Stavros Dimas, EU Environment Commissioner, 'Improving Environmental Quality through Carbon Trading' (Speech at the Carbon Expo Conference, Köln, 2 May 2007) <http://europa.eu/rapid/pressReleasesAction.do?reference=SPEECH/07/265> accessed 29 May 2011.
Lord Bingham, ‘Keynote Address’ (Liberty conference, London, 6 June 2009) <www.liberty-human-rights.org.uk/publications/3-articles-and-speeches/index.shtml> accessed 19 November 2009.
The only differences are that the author is now listed surname first followed by their initials, page numbers are not included and there is no full stop at the end of the reference.
Dimas S, EU Environment Commissioner, 'Improving Environmental Quality through Carbon Trading' (Speech at the Carbon Expo Conference, Köln, 2 May 2007) <http://europa.eu/rapid/pressReleasesAction.do?reference=SPEECH/07/265> accessed 29 May 2011