APA (7th ed.) Citation

Robertson, N. (1979). Origins of the Saudi Arabian oil empire: Secret U.S. documents, 1923-1944. Documentary Publications.

Chicago Style (17th ed.) Citation

Robertson, Nelson. Origins of the Saudi Arabian Oil Empire: Secret U.S. Documents, 1923-1944. Salisbury, N.C.: Documentary Publications, 1979.

MLA (9th ed.) Citation

Robertson, Nelson. Origins of the Saudi Arabian Oil Empire: Secret U.S. Documents, 1923-1944. Documentary Publications, 1979.