The ancient world
MLA
Nulle, Stebelton Henry. The Ancient World. New York: Harcourt, Brace & World, 1968
APA, 7th edition
Nulle, S. Henry. (1968). The ancient world. New York: Harcourt, Brace & World
Chicago, 17th edition
Nulle, Stebelton Henry. The ancient world. New York: Harcourt, Brace & World, 1968