APA (7th ed.) Citation

Romero, L. A. (2002). A history of Argentina in the twentieth century. Pennsylvania State University Press.

Chicago Style (17th ed.) Citation

Romero, Luis Alberto. A History of Argentina in the Twentieth Century. University Park, Pa.: Pennsylvania State University Press, 2002.

MLA (8th ed.) Citation

Romero, Luis Alberto. A History of Argentina in the Twentieth Century. Pennsylvania State University Press, 2002.