Citazione Stile APA (7a Edizione)

Mortara, G. (1964). Characteristics of the demographic structure of the American Union, 1964. Pan American Union.

Citazione stile Chigago Style (17a edizione)

Mortara, Giorgio. Characteristics of the Demographic Structure of the American Union, 1964. Washington: Pan American Union, 1964.

Citatione MLA (9a ed.)

Mortara, Giorgio. Characteristics of the Demographic Structure of the American Union, 1964. Pan American Union, 1964.