APA (7th ed.) Citation

Gibbons, S. R. (1986). A handbook of modern history: World history since 1870. Longman.

Chicago Style (17th ed.) Citation

Gibbons, Stephen R. A Handbook of Modern History: World History Since 1870. London u.a: Longman, 1986.

MLA (9th ed.) Citation

Gibbons, Stephen R. A Handbook of Modern History: World History Since 1870. Longman, 1986.