Cita APA

(1993). The 1993 world book year book: A review of the events of 1992. US: World Book, Chicago.

Citación estilo Chicago

The 1993 World Book Year Book: A Review of the Events of 1992. US: World Book, Chicago, 1993.

Cita MLA

The 1993 World Book Year Book: A Review of the Events of 1992. US: World Book, Chicago, 1993.

Precaución: Estas citas no son 100% exactas.