Cita APA (7a ed.)

Ellis, E. G., Esler, A., & Beers, B. F. (1999). World history: Connections to today. Prentice Hall.

Cita Chicago Style (17a ed.)

Ellis, Elisabeth Gaynor, Anthony Esler, y Burton F. Beers. World History: Connections to Today. Upper Saddle River, NJ: Prentice Hall, 1999.

Cita MLA (9a ed.)

Ellis, Elisabeth Gaynor, et al. World History: Connections to Today. Prentice Hall, 1999.