Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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