Harvard

To be made up of:

• Parliament. House of Commons
• Year of publication (in round brackets).
• Title (in italics).
• HC session and paper number (in round brackets)
• Place of publication: publisher.

In-text citation:

Parliament. House of Commons, 1974).

Reference list:

Parliament. House of Commons (1974). Milk production. Government observations on the eighth report from the Expenditure Committee. (HC 1974-1975 311). London: House of Commons. 

To be made up of:

• Parliament. House of Lords
• Year of publication (in round brackets).
• Title (in italics).
• HL session and paper number (in round brackets, with the exact paper number also in round brackets). 
• Place of publication: publisher.

The additional round brackets help to distinguish House of Lords papers from House of Commons papers. 

In-text citation:

(Parliament. House of Lords, 2004).

Reference list:

Parliament. House of Lords (2004). Electricity from renewables: the first report. (HL 2003-2004 (19)). London: The Stationery Office.