APA (7th ed.) Citation

Sommerville, D. (1989). World War II, day by day. Dorset Press.

Chicago Style (17th ed.) Citation

Sommerville, Donald. World War II, Day by Day. [New York]: Dorset Press, 1989.

MLA (9th ed.) Citation

Sommerville, Donald. World War II, Day by Day. Dorset Press, 1989.

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