APA (7th ed.) Citation

Williams, D. B., & Gracey, A. D. (1994). Maintenance and operation of bulk grain stores. FAO.

Chicago Style (17th ed.) Citation

Williams, David B., and Alfred D. Gracey. Maintenance and Operation of Bulk Grain Stores. Rome: FAO, 1994.

MLA (9th ed.) Citation

Williams, David B., and Alfred D. Gracey. Maintenance and Operation of Bulk Grain Stores. FAO, 1994.