APA (7th ed.) Citation

Bull-Berg, H. J. (1987). American international oil policy: Causal factors and effect (1. publ.). St. Martin's Pr.

Chicago Style (17th ed.) Citation

Bull-Berg, Hans J. American International Oil Policy: Causal Factors and Effect. 1. publ. New York: St. Martin's Pr, 1987.

MLA (9th ed.) Citation

Bull-Berg, Hans J. American International Oil Policy: Causal Factors and Effect. 1. publ. St. Martin's Pr, 1987.