Cita APA (7a ed.)

Howell, I. (2018). Earth's resources geo facts. Crabtree Publishing.

Cita Chicago Style (17a ed.)

Howell, Izzi. Earth's Resources Geo Facts. New York, New York: Crabtree Publishing, 2018.

Cita MLA (8a ed.)

Howell, Izzi. Earth's Resources Geo Facts. Crabtree Publishing, 2018.

Precaución: Estas citas no son 100% exactas.