Citazione Stile APA (7a Edizione)

Twitchell, K. S., & Jurji, E. J. (1953). Saudi Arabia: With an account of the development of its natural resources ([2nd ed.].). Princeton University Press.

Citazione stile Chigago Style (17a edizione)

Twitchell, Karl Saben, e Edward Jabra Jurji. Saudi Arabia: With an Account of the Development of Its Natural Resources. [2nd ed.]. Princeton: Princeton University Press, 1953.

Citatione MLA (9a ed.)

Twitchell, Karl Saben, e Edward Jabra Jurji. Saudi Arabia: With an Account of the Development of Its Natural Resources. [2nd ed.]. Princeton University Press, 1953.