APA (7th ed.) Citation

AMBROSIUS, G., & HUBBARD, W. (1989). A social and economic history of twentieth -century europe.

Chicago Style (17th ed.) Citation

AMBROSIUS, GEROLD, and WILLIAM HUBBARD. A Social and Economic History of Twentieth -century Europe. London Harvard university press, 1989.

MLA (8th ed.) Citation

AMBROSIUS, GEROLD, and WILLIAM HUBBARD. A Social and Economic History of Twentieth -century Europe. 1989.