एपीए उद्धरण

Williamson, E. (2009). Penguin history of Latin America (Rev.ed.). Penguin Books.

शिकागो स्टाइल उद्धरण

Williamson, Edwin. Penguin History of Latin America. Rev.ed. New Delhi: Penguin Books, 2009.

एमएलए उद्धरण

Williamson, Edwin. Penguin History of Latin America. Rev.ed. Penguin Books, 2009.