APA

Chambers C., Floyd C., . (2000). Volcanoes. Oxford, USA: Heinemann Library.

Chicago

Chambers Catherine, Floyd Celia, . 2000. Volcanoes. Oxford, USA: Heinemann Library.

Harvard

Chambers C., Floyd C., . (2000). Volcanoes. Oxford, USA: Heinemann Library.

MLA

Chambers Catherine, Floyd Celia, . Volcanoes. Oxford, USA: Heinemann Library. 2000.