Please look on this link for a blog about citing the Readers:
I sent round a sheet on Harvard style referencing
also Cite Them Right
and other sites
Referencing and plagiarism
the idea is that ideas you get form other people are 'cited' so quotes and 'paraphrasing' - and then put the source in the Bibliography (which includes references and other idea sources you have looked at for the piece of writing/communication you are doing).