APA Citation

FAO. (1990). FAO fertilizer yearbook; N.40/1990. Rome: FAO.

Chicago Style Citation

FAO. FAO Fertilizer Yearbook; N.40/1990. Rome: FAO, 1990.

MLA Citation

FAO. FAO Fertilizer Yearbook; N.40/1990. Rome: FAO, 1990.

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