These are a type of government publication, which includes White and Green Papers. also known as Command Papers.
Format: in text citation
It was argued that teachers needed to have increased powers if discipline in schools was to be improved (Department name, Year, Page).
Format: reference
Department Name (Year) Title of paper. Cm. Number. Place: Publisher.
Example: in text citation
It was argued that teachers needed to have increased powers if discipline in schools was to be improved (Department for Education, 2010, p.2).
Example: reference
Department for Education (2010) The importance of teaching. Cm. 7980 London: TSO.
This format applies to the other types of Command Papers, such as treaties and draft bills.