Cita APA (7a ed.)

Barraclough, G. (1991). Main trends in history. Holmes & Meier.

Cita Chicago Style (17a ed.)

Barraclough, Geoffrey. Main Trends in History. New York: Holmes & Meier, 1991.

Cita MLA (9a ed.)

Barraclough, Geoffrey. Main Trends in History. Holmes & Meier, 1991.