APA citiranje

Findley, C. V. 1., & Rothney, J. A. M. (1998). Twentieth-century world (4th edition.). Boston: Houghton Mifflin.

Trích dẫn kiểu Chicago

Findley, Carter V. 1941-, và John Alexander Murray Rothney. Twentieth-century World. 4th edition. Boston: Houghton Mifflin, 1998.

MLA citiranje

Findley, Carter V. 1941-, và John Alexander Murray Rothney. Twentieth-century World. 4th edition. Boston: Houghton Mifflin, 1998.