APA (7th ed.) Citation

Gray, A. S., & Thompson, A. (1980). The development of economic doctrine: An introductory survey (2d ed.). Longman.

Chicago Style (17th ed.) Citation

Gray, Alexander Sir, and Alan Thompson. The Development of Economic Doctrine: An Introductory Survey. 2d ed. London, New York: Longman, 1980.

MLA (9th ed.) Citation

Gray, Alexander Sir, and Alan Thompson. The Development of Economic Doctrine: An Introductory Survey. 2d ed. Longman, 1980.