Cita APA (7th ed.)

Erickson, J. (1988). Volcanoes and earthquakes. TAB Books.

Cita Chicago (17th ed.)

Erickson, Jon. Volcanoes and Earthquakes. Blue Ridge Summit, PA: TAB Books, 1988.

Cita MLA (9th ed.)

Erickson, Jon. Volcanoes and Earthquakes. TAB Books, 1988.