APA (7th ed.) Citation

Metcalf, D. (1969). The economics of agriculture. Penguin Books.

Chicago Style (17th ed.) Citation

Metcalf, David. The Economics of Agriculture. Harmondsworth [etc.]: Penguin Books, 1969.

MLA (9th ed.) Citation

Metcalf, David. The Economics of Agriculture. Penguin Books, 1969.

Warning: These citations may not always be 100% accurate.