APA (7th ed.) Citation

Peregrine, F. A. W., Weston, R. P., & England, G. J. (1966). Principles of crop husbandry. Hutchinson Educational.

Chicago Style (17th ed.) Citation

Peregrine, F. A. W., R. P. Weston, and G. J. England. Principles of Crop Husbandry. London: Hutchinson Educational, 1966.

MLA (8th ed.) Citation

Peregrine, F. A. W., et al. Principles of Crop Husbandry. Hutchinson Educational, 1966.