APA (7th ed.) Citation

Heinonen, R. (1961). Soil Composition and seed-bed preparation in relation to yields.

Chicago Style (17th ed.) Citation

Heinonen, Reijo. Soil Composition and Seed-bed Preparation in Relation to Yields. 1961.

MLA (9th ed.) Citation

Heinonen, Reijo. Soil Composition and Seed-bed Preparation in Relation to Yields. 1961.

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