APA (7th ed.) Citation

Brun, H. (2000). The world today: Current problems and their origins (4th ed.). AMSCO School Publications.

Chicago Style (17th ed.) Citation

Brun, Henry. The World Today: Current Problems and Their Origins. 4th ed. New York, New York: AMSCO School Publications, 2000.

MLA (9th ed.) Citation

Brun, Henry. The World Today: Current Problems and Their Origins. 4th ed. AMSCO School Publications, 2000.