APA (7th ed.) Citation

(1971). Trace elements in soils and crops: Proceedings of a conference.. HMSO.

Chicago Style (17th ed.) Citation

Trace Elements in Soils and Crops: Proceedings of a Conference.. London: HMSO, 1971.

MLA (9th ed.) Citation

Trace Elements in Soils and Crops: Proceedings of a Conference.. HMSO, 1971.

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