Cita APA (7th ed.)
Spickard, P. R., Spickard, J. V., & Cragg, K. M. (1998). World history by the world's historians. McGraw-Hill.
Cita Chicago (17th ed.)
Spickard, Paul R., James V. Spickard, i Kevin M. Cragg. World History by the World's Historians. Boston: McGraw-Hill, 1998.
Cita MLA (9th ed.)
Spickard, Paul R., et al. World History by the World's Historians. McGraw-Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.