APA (7th ed.) Citation

Stromberg, R. N. (1980). Europe in the twentieth century (4. print.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Stromberg, Roland N. Europe in the Twentieth Century. 4. print. Englewood Cliffs, N.J: Prentice-Hall, 1980.

MLA (9th ed.) Citation

Stromberg, Roland N. Europe in the Twentieth Century. 4. print. Prentice-Hall, 1980.