Παραπομπή σε μορφή APA (7η εκδ.)

Lal, R., & Stewart, B. A. (1995). Soil management: Experimental basis for sustainability and environmental quality. Lewis Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lal, R., και B. A. Stewart. Soil Management: Experimental Basis for Sustainability and Environmental Quality. Boca Raton: Lewis Publishers, 1995.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lal, R., και B. A. Stewart. Soil Management: Experimental Basis for Sustainability and Environmental Quality. Lewis Publishers, 1995.