APA
Spickard P. R., Spickard J. V. & Cragg K. M. (1998). World history by the world's historians. Boston: McGraw-Hill.
Chicago
Spickard Paul R, Spickard James V and Cragg Kevin M. 1998. World history by the world's historians. Boston: McGraw-Hill.
Harvard
Spickard P. R., Spickard J. V. and Cragg K. M. (1998). World history by the world's historians. Boston: McGraw-Hill.
MLA
Spickard Paul R, Spickard James V and Cragg Kevin M. World history by the world's historians. Boston: McGraw-Hill. 1998.