APA (7th ed.) Citation

Clark, A. N. (2003). The Penguin dictionary of geography (3rd ed.). Penguin.

Chicago Style (17th ed.) Citation

Clark, Audrey N. The Penguin Dictionary of Geography. 3rd ed. London: Penguin, 2003.

MLA (9th ed.) Citation

Clark, Audrey N. The Penguin Dictionary of Geography. 3rd ed. Penguin, 2003.

Warning: These citations may not always be 100% accurate.