Cita APA

Harris, P. M. (1992). Potato crop: The scientific basis for improvement (2.). Chapman & hall.

Chicago Edition Citation

Harris, Paul M. Potato Crop: The Scientific Basis for Improvement. 2. London: Chapman & hall, 1992.

Cita MLA

Harris, Paul M. Potato Crop: The Scientific Basis for Improvement. 2. Chapman & hall, 1992.