APA
Gill M., Dinwiddie R., . (2016). Volcanoes. London: dorling kindersley.
Chicago
Gill Maria, Dinwiddie Robert, . 2016. Volcanoes. London: dorling kindersley.
Harvard
Gill M., Dinwiddie R., . (2016). Volcanoes. London: dorling kindersley.
MLA
Gill Maria, Dinwiddie Robert, . Volcanoes. London: dorling kindersley. 2016.