Cita APA

World Book. (1996). World Book Encyclopedia - P(vol.15). World Book International.

Citación estilo Chicago

World Book. World Book Encyclopedia - P(vol.15). London: World Book International, 1996.

Cita MLA

World Book. World Book Encyclopedia - P(vol.15). World Book International, 1996.

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