Cita APA (7th ed.)

Pfeiffer, E. (1947). Soil fertility, renewal & preservation: Bio-dynamic farming and gardening ([New rev. ed.].). Faber and Faber.

Cita Chicago (17th ed.)

Pfeiffer, Ehrenfried. Soil Fertility, Renewal & Preservation: Bio-dynamic Farming and Gardening. [New rev. ed.]. London: Faber and Faber, 1947.

Cita MLA (8th ed.)

Pfeiffer, Ehrenfried. Soil Fertility, Renewal & Preservation: Bio-dynamic Farming and Gardening. [New rev. ed.]. Faber and Faber, 1947.