APA (7th ed.) Citation

Boak, A. E. R. (1947). World history. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Boak, Arthur Edward Romilly. World History. Boston: Houghton Mifflin, 1947.

MLA (9th ed.) Citation

Boak, Arthur Edward Romilly. World History. Houghton Mifflin, 1947.

Warning: These citations may not always be 100% accurate.