Citazione Stile APA (7a Edizione)

Gide, C. (1948). A history of economic doctrines (2nd.). George G. Harrap.

Citazione stile Chigago Style (17a edizione)

Gide, C. A History of Economic Doctrines. 2nd. London: George G. Harrap, 1948.

Citatione MLA (9a ed.)

Gide, C. A History of Economic Doctrines. 2nd. George G. Harrap, 1948.