APA (7th ed.) Citation

Barston, R. P. (1997). Modern diplomacy (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Barston, R. P. Modern Diplomacy. 2nd ed. London ; New York: Longman, 1997.

MLA (9th ed.) Citation

Barston, R. P. Modern Diplomacy. 2nd ed. Longman, 1997.

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