Are pictures cited? If yes, in what way?

A picture is the subject of copyright as any other information source, i.e. pictures as well as graphs, tables and so on. They must be also properly cited. If you cite pictures or graphs, it is necessary to use the square brackets after the title and there should be stated which type of source is used, e.g. [picture], [graph]… If it is a part of a document, cite which one.