APA (7th ed.) Citation

Williams, R. D., & Haggar, R. J. (1985). Crop protection handbook: Grass and clover swards. BCPC Publications Exclusive distributor ISBS.

Chicago Style (17th ed.) Citation

Williams, R. D., and R. J. Haggar. Crop Protection Handbook: Grass and Clover Swards. Croydon, England Beaverton, OR: BCPC Publications Exclusive distributor ISBS, 1985.

MLA (9th ed.) Citation

Williams, R. D., and R. J. Haggar. Crop Protection Handbook: Grass and Clover Swards. BCPC Publications Exclusive distributor ISBS, 1985.