APA

Ruskin J., . (2004). On art and life. London: Penguin Books.

Chicago

Ruskin John, . 2004. On art and life. London: Penguin Books.

Harvard

Ruskin J., . (2004). On art and life. London: Penguin Books.

MLA

Ruskin John, . On art and life. London: Penguin Books. 2004.