As for 'rules', the first is that one item, and only one, should come from the magazine; second, either before or after performance the magazine reference i.e. author, title, volume,
Event Details
As for ‘rules’, the first is that one item, and only one, should come from the magazine; second, either before or after performance the magazine reference i.e. author, title, volume, issue etc. be quoted by the performer to the audience.