APA (7th ed.) Citation

Armour, C. (2004). Volcanoes. Teacher Created Materials.

Chicago Style (17th ed.) Citation

Armour, Cy. Volcanoes. London: Teacher Created Materials, 2004.

MLA (9th ed.) Citation

Armour, Cy. Volcanoes. Teacher Created Materials, 2004.

Warning: These citations may not always be 100% accurate.