Citazione Stile APA (7a Edizione)

Gray, A. (1967). Development of economic doctrine: Introductory survey. Longman.

Citazione stile Chigago Style (17a edizione)

Gray, Alexander. Development of Economic Doctrine: Introductory Survey. London: Longman, 1967.

Citatione MLA (9a ed.)

Gray, Alexander. Development of Economic Doctrine: Introductory Survey. Longman, 1967.