APA (7th ed.) Citation

Boak, A. E. R., Slosson, P. W., & Anderson, H. (1944). World history. Houghton Mifflin Company.

Chicago Style (17th ed.) Citation

Boak, Arthur Edward Romilly, Preston W. Slosson, and Howard Anderson. World History. Houghton Mifflin Company, 1944.

MLA (9th ed.) Citation

Boak, Arthur Edward Romilly, et al. World History. Houghton Mifflin Company, 1944.