APA

Griffey H., Wardley R. (. )., . (1998). Volcanoes. London: Dorling Kindersley.

Chicago

Griffey Harriet, Wardley Rahel (Editor ), . 1998. Volcanoes. London: Dorling Kindersley.

Harvard

Griffey H., Wardley R. (. )., . (1998). Volcanoes. London: Dorling Kindersley.

MLA

Griffey Harriet, Wardley Rahel (Editor ), . Volcanoes. London: Dorling Kindersley. 1998.