Cita APA

(1971). Historical abstracts: Bibliography of the world's historical literature 32.1981. Historical abstracts.

Citación estilo Chicago

"Historical Abstracts: Bibliography of the World's Historical Literature 32.1981." Historical Abstracts 1971.

Cita MLA

"Historical Abstracts: Bibliography of the World's Historical Literature 32.1981." Historical Abstracts, 1971.