The Harvard Referencing System is a style of referencing, primarily used by university students, to cite information sources and I will using it throughout my personal study I order to quote statements form artists/publishers/journalists to relate to the context of my question. 

The main type of referencing is:

In-text citations – used when directly quoting or paraphrasing a source. They are located in the body of the work and contain a fragment of the full citation.

Depending on the source type, some Harvard Reference in-text citations may look something like this:

“After that I lived like a young rajah in all the capitals of Europe…” (Fitzgerald, 2004).

Each citation in a reference list includes various pieces of information including the:

– Name of the author(s)

– Year published

– Title

– City published

– Publisher

– Pages used

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Bibliography

Sontag S. (1977), On Photography. London: Penguin Books

An example of referencing from the book ‘On Photography’ by Susan Sontag

In her book, On Photography, art critic, Susan Sontag writes: ‘They [photographs] age, plagued by the usual ills of paper objects; they disappear; they become valuable, and get bought and sold; they are reproduced’ (Sontag 1977:4).

‘[Photograph images] provide most of the knowledge people have about the look of the past and the reach of the present’ (Sontag 1977:4).

‘Something we hear about, but doubt, seems proven when we’re shown a photograph of it’ (Sontag 1977:5).

‘A photograph – any photograph – seems to have a more innocent, and therefore more accurate, relation to visible reality than do other mimetic objects’ (Sontag 1977:6).

‘The point of taking photographs was a vast departure from the aims of painters’ (Sontag 1977:7).