APA (7th ed.) Citation
(1980). The 1980 world book year book (ed.). World book- childcraft international, Inc..
Chicago Style (17th ed.) Citation
The 1980 World Book Year Book. ed. Chicago: World book- childcraft international, Inc., 1980.
MLA (9th ed.) Citation
The 1980 World Book Year Book. ed. World book- childcraft international, Inc., 1980.
Warning: These citations may not always be 100% accurate.