Cita APA (7a ed.)

Wareing, P. F., & Cooper, J. P. (1971). Potential crop production: A case study. Heinemann Educational Books.

Cita Chicago Style (17a ed.)

Wareing, P. F., y J. P. Cooper. Potential Crop Production: A Case Study. London: Heinemann Educational Books, 1971.

Cita MLA (9a ed.)

Wareing, P. F., y J. P. Cooper. Potential Crop Production: A Case Study. Heinemann Educational Books, 1971.