Cita APA (7a ed.)

Clay, H. (1951). Economics: An introduction for the general reader ([2nd ed., repr.].). Macmillan and Co.

Cita Chicago Style (17a ed.)

Clay, Henry. Economics: An Introduction for the General Reader. [2nd ed., repr.]. London: Macmillan and Co, 1951.

Cita MLA (9a ed.)

Clay, Henry. Economics: An Introduction for the General Reader. [2nd ed., repr.]. Macmillan and Co, 1951.