Harvard Referencing System

if it's a book:

Bloggs, F. (1980) How to write your name, Cambridge University Press

if it's an article in a review:

Bloggs, F. (2005) Complex sentences, Higher Education Review, 41, 305-357

if the main name is only the organiser:

Bloggs, F. (ed.) (2009) Complicated Grammar Exercises, Cambridge University Press

if it's on a website:

Office of National Statistics (2005) Social Trends www.statistics.gov.uk (correct on 12/12/2005)