Citation Quote:  “But, first, what is a lighthouse? It is a structure built to display a maritime beacon as an aid to navigation that marks a known point an important place, such as a

headland, shoal, or harbor entrance.”

Source: Blake, Kevin “Lighthouse Symbolism in the American landscape.” Focus on Geography 50.1 (2007): 9-15. Web. 29 January 2013.

(Forgot to put page number on quote as required for MLA format)