Howell, I. (2018). Volcano geo facts. Crabtree Publishing Company.
Cita Chicago Style (17a ed.)Howell, Izzi. Volcano Geo Facts. St. Catharines, ON ; New York, NY: Crabtree Publishing Company, 2018.
Cita MLA (8a ed.)Howell, Izzi. Volcano Geo Facts. Crabtree Publishing Company, 2018.
Precaución: Estas citas no son 100% exactas.