Nietzsche Online. Berlin, Boston: De Gruyter, 2011. Web. Retrieved 19 Jun. 2013, from http://www.degruyter.com/view/db/nietzsche

Nietzsche Online. (2011). Berlin, Boston: De Gruyter. Retrieved 19 Jun. 2013, from http://www.degruyter.com/view/db/nietzsche

Nietzsche Online. 2011. Berlin, Boston: De Gruyter. Retrieved 19 Jun. 2013, from http://www.degruyter.com/view/db/nietzsche