APA citiranje

Orlov, D. (1985). Humus acids of soils.: D.S. Orlov. OxonianPr..

Chicago Style (17th ed.) Citation

Orlov, D.S. Humus Acids of Soils.: D.S. Orlov. New Delhi: OxonianPr., 1985.

MLA citiranje

Orlov, D.S. Humus Acids of Soils.: D.S. Orlov. OxonianPr., 1985.