APA (7th ed.) Citation

Harris, P. M. (1992). The potato crop: The scientific basis for improvement (2nd ed.). Chapman and Hall.

Chicago Style (17th ed.) Citation

Harris, Paul M. The Potato Crop: The Scientific Basis for Improvement. 2nd ed. London: Chapman and Hall, 1992.

MLA (8th ed.) Citation

Harris, Paul M. The Potato Crop: The Scientific Basis for Improvement. 2nd ed. Chapman and Hall, 1992.