Cita APA (7a ed.)

Layard, R. (1972). Cost-benefit analysis: Selected readings (1st published.). Penguin.

Cita Chicago Style (17a ed.)

Layard, Richard. Cost-benefit Analysis: Selected Readings. 1st published. Harmondsworth [etc.]: Penguin, 1972.

Cita MLA (9a ed.)

Layard, Richard. Cost-benefit Analysis: Selected Readings. 1st published. Penguin, 1972.