Cita APA (7th ed.)

Woo. (2013). Jeju Island Geopark - A Volcanic Wonder of Korea (1.). Springer Berlin Heidelberg.

Cita Chicago (17th ed.)

Woo. Jeju Island Geopark - A Volcanic Wonder of Korea. 1. Springer Berlin Heidelberg, 2013.

Cita MLA (8th ed.)

Woo. Jeju Island Geopark - A Volcanic Wonder of Korea. 1. Springer Berlin Heidelberg, 2013.