Harvard Solent Referencing Guide

If your source has no date use n.d where the date should go.  Dates are most commonly missing from websites; if there is no obvious date, use the copyright date (often found at the foot of the page). 
 

In-text reference example

Reference list format

Format your reference according to the type of source it is and add in n.d. where the date should go.
 

Reference list example