APA (7th ed.) Citation

Howarth, T. (1981). The world since 1900 (1. publ., 3. impression.). Longman.

Chicago Style (17th ed.) Citation

Howarth, Tony. The World Since 1900. 1. publ., 3. impression. Harlow: Longman, 1981.

MLA (9th ed.) Citation

Howarth, Tony. The World Since 1900. 1. publ., 3. impression. Longman, 1981.

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