Styl cytowania APA

Strongberg, R. N. (1992). Europe in the Twentieth Century (Ed.3.).

Styl cytowania Chicago

Strongberg, Ronald N. Europe in the Twentieth Century. Ed.3. New Jersey, Prentice Hall, 1992.

Styl cytowania MLA

Strongberg, Ronald N. Europe in the Twentieth Century. Ed.3. 1992.