Παραπομπή σε μορφή APA (7η εκδ.)

Robinson, J. H., & Beard, C. A. (1927). History of Europe our own times: The eighteenth and nineteenth centuries, the opening of the twentieth century, the world war, and recent events (Rev. ed.). Ginn and Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Robinson, James Harvey, και Charles A. Beard. History of Europe Our Own Times: The Eighteenth and Nineteenth Centuries, the Opening of the Twentieth Century, the World War, and Recent Events. Rev. ed. Boston ; New York, [etc.]: Ginn and Co., 1927.

Παραπομπή σε μορφή MLA (8th εκδ.)

Robinson, James Harvey, και Charles A. Beard. History of Europe Our Own Times: The Eighteenth and Nineteenth Centuries, the Opening of the Twentieth Century, the World War, and Recent Events. Rev. ed. Ginn and Co., 1927.