Command paper

Government department/committee/organisation. Year. Title. (Command no.). Place of publication: Publisher.

Command papers are published by The Stationery Office whose headquarters are based in London. Before 1963 the Stationery Office was referred to as HMSO. 

Example:

Home Office. 2003. Identity cards: the next steps. (Cm.6020). London: The Stationery Office.

Make use you use the correct abbreviation of command, as this varies for different historical periods.

Online command paper

If you are referencing a command paper you found online, this should be indicated in the reference.

Government department/committee/organisation. Year. Title. (Command no.). [Online]. Place of publication: Publisher. [Date accessed]. Available from: URL

Example:

Department for Education. 2017. Unlocking talent, fulfilling potential: a plan for improving social mobility through education. (Cm.9541). [Online]. London: The Stationery Office. [Accessed 14 May 2018]. Available from: https://0-www-publicinformationonline-com.wam.leeds.ac.uk/