Cita APA

(1971). Historical abstracts. Part B: Twentieth century abstracts (1914-1970). Santa Barbara, California: American Bibliographical Center.

Citación estilo Chicago

Historical Abstracts. Part B: Twentieth Century Abstracts (1914-1970). Santa Barbara, California: American Bibliographical Center, 1971.

Cita MLA

Historical Abstracts. Part B: Twentieth Century Abstracts (1914-1970). Santa Barbara, California: American Bibliographical Center, 1971.