APA (7th ed.) Citation

Harris, P. M. (1978). The potato crop: The scientific basis for improvement. Chapman and Hall.

Chicago Style (17th ed.) Citation

Harris, P M. The Potato Crop: The Scientific Basis for Improvement. London: Chapman and Hall, 1978.

MLA (9th ed.) Citation

Harris, P M. The Potato Crop: The Scientific Basis for Improvement. Chapman and Hall, 1978.