APA Citation

FAO, & FAO. (1971). Fertilizers and their use. [Roma]: FAO.

Chicago Style Citation

FAO, and FAO. Fertilizers and Their Use. [Roma]: FAO, 1971.

MLA Citation

FAO, and FAO. Fertilizers and Their Use. [Roma]: FAO, 1971.

Warning: These citations may not always be 100% accurate.