Cita APA

Krieger, L. (1957). The horizons of history. The American historical review. - American Historical Association.

Citación estilo Chicago

Krieger, Leonard. "The Horizons of History." The American Historical Review. - American Historical Association 1957.

Cita MLA

Krieger, Leonard. "The Horizons of History." The American Historical Review. - American Historical Association, 1957.

Precaución: Estas citas no son 100% exactas.