APA (7th ed.) Citation

Little, I. M. D., Scitovsky, T., & Scott, M. F. (1970). A comparative study. At the Clarendon Press.

Chicago Style (17th ed.) Citation

Little, I. M. D., Tibor Scitovsky, and Maurice FitzGerald Scott. A Comparative Study. Oxford: At the Clarendon Press, 1970.

MLA (9th ed.) Citation

Little, I. M. D., et al. A Comparative Study. At the Clarendon Press, 1970.