Cita APA

Sigurdsson, H. (2000). Encyclopedia of volcanoes. Academic Press.

Citación estilo Chicago

Sigurdsson, Haraldur. Encyclopedia of Volcanoes. San Diego, California USA: Academic Press, 2000.

Cita MLA

Sigurdsson, Haraldur. Encyclopedia of Volcanoes. Academic Press, 2000.

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