Arnold, C. (2006). A killer whale's world. Picture Window Books.
Cita Chicago Style (17a ed.)Arnold, Caroline. A Killer Whale's World. Minneapolis, Minn.: Picture Window Books, 2006.
Cita MLA (8a ed.)Arnold, Caroline. A Killer Whale's World. Picture Window Books, 2006.
Precaución: Estas citas no son 100% exactas.