Cita APA (7a ed.)

Ellis, E. G., & Esler, A. (1997). World history: Connections to today. Prentice Hall.

Cita Chicago Style (17a ed.)

Ellis, Elisabeth Gaynor, y Anthony Esler. World History: Connections to Today. Upper Saddle River, N.J.: Prentice Hall, 1997.

Cita MLA (8a ed.)

Ellis, Elisabeth Gaynor, y Anthony Esler. World History: Connections to Today. Prentice Hall, 1997.