APA (7th ed.) Citation

Folley, R. R. W. (1973). Intensive crop economics. Heinemann Educational Books.

Chicago Style (17th ed.) Citation

Folley, R. R. W. Intensive Crop Economics. London: Heinemann Educational Books, 1973.

MLA (9th ed.) Citation

Folley, R. R. W. Intensive Crop Economics. Heinemann Educational Books, 1973.