APA (7th ed.) Citation

O'Brien, D. P., & Swann, D. (1969). Information agreements, competition and efficiency. A.M. Kelley.

Chicago Style (17th ed.) Citation

O'Brien, D. P., and Dennis Swann. Information Agreements, Competition and Efficiency. New York: A.M. Kelley, 1969.

MLA (8th ed.) Citation

O'Brien, D. P., and Dennis Swann. Information Agreements, Competition and Efficiency. A.M. Kelley, 1969.