APA (7th ed.) Citation

David Singer, J., & Small, M. (1974). Foreign Policy Indicators: Predictors of War in History and in the State of the World Message. Policy Sciences, 5(3), 271. https://doi.org/10.1007/BF00144286

Chicago Style (17th ed.) Citation

David Singer, J., and Melvin Small. "Foreign Policy Indicators: Predictors of War in History and in the State of the World Message." Policy Sciences 5, no. 3 (1974): 271. https://doi.org/10.1007/BF00144286.

MLA (9th ed.) Citation

David Singer, J., and Melvin Small. "Foreign Policy Indicators: Predictors of War in History and in the State of the World Message." Policy Sciences, vol. 5, no. 3, 1974, p. 271, https://doi.org/10.1007/BF00144286.