APA Style
Levy, Michael. (2009).
Volcanoes and earthquakes .
Chicago:
Encyclopaedia Britannica.
Chicago Style
Levy, Michael.
Volcanoes and earthquakes.
Chicago:
Encyclopaedia Britannica,
2009.
Referensi.
MLA Style
Levy, Michael.
Volcanoes and earthquakes.
Chicago:
Encyclopaedia Britannica,
2009.
Referensi.
Turabian Style
Levy, Michael.
Volcanoes and earthquakes.
Chicago:
Encyclopaedia Britannica,
2009.
Referensi.