Cita APA (7th ed.)

Robertson, S. D. H. (1958). Lectures on economic principles. Staples.

Cita Chicago (17th ed.)

Robertson, Sir Dennis H. Lectures on Economic Principles. London: Staples, 1958.

Cita MLA (9th ed.)

Robertson, Sir Dennis H. Lectures on Economic Principles. Staples, 1958.