Cita APA (7th ed.)

Hellin, J. (2006). Better land husbandry: From soil conservation to holistic land management. Science Publishers.

Cita Chicago (17th ed.)

Hellin, Jon. Better Land Husbandry: From Soil Conservation to Holistic Land Management. Enfield, NH: Science Publishers, 2006.

Cita MLA (9th ed.)

Hellin, Jon. Better Land Husbandry: From Soil Conservation to Holistic Land Management. Science Publishers, 2006.