APA

Baltzly A., Salomone A. W., . (1950). Readings in twentieth-century European history. New York: Appleton-Century-Crofts.

Chicago

Baltzly Alexander, Salomone A William, . 1950. Readings in twentieth-century European history. New York: Appleton-Century-Crofts.

Harvard

Baltzly A., Salomone A. W., . (1950). Readings in twentieth-century European history. New York: Appleton-Century-Crofts.

MLA

Baltzly Alexander, Salomone A William, . Readings in twentieth-century European history. New York: Appleton-Century-Crofts. 1950.