Citazione Stile APA (7a Edizione)

Wyon, J. B., & Gordon, J. E. (1971). The Khanna study: Population problems in the rural Punjab. Harvard University Press.

Citazione stile Chigago Style (17a edizione)

Wyon, J. B., e John Everett Gordon. The Khanna Study: Population Problems in the Rural Punjab. Cambridge, Mass.: Harvard University Press, 1971.

Citatione MLA (8a ed.)

Wyon, J. B., e John Everett Gordon. The Khanna Study: Population Problems in the Rural Punjab. Harvard University Press, 1971.