APA
FRANCES P., . (2012). Illustrated Encyclopedia of the Earth. London: Dorling Kindersley Limited.
Chicago
FRANCES Peter, . 2012. Illustrated Encyclopedia of the Earth. London: Dorling Kindersley Limited.
Harvard
FRANCES P., . (2012). Illustrated Encyclopedia of the Earth. London: Dorling Kindersley Limited.
MLA
FRANCES Peter, . Illustrated Encyclopedia of the Earth. London: Dorling Kindersley Limited. 2012.