Citazione APA

Bio-dynamic Farming and Gardening Association. (1941). Bio-dynamics. Bio-Dynamic Farming and Gardening Association.

Stile di citazione Chicago

Bio-dynamic Farming and Gardening Association. Bio-dynamics. Phoenixville, Pa.: Bio-Dynamic Farming and Gardening Association, 1941.

Citazione MLA

Bio-dynamic Farming and Gardening Association. Bio-dynamics. Bio-Dynamic Farming and Gardening Association, 1941.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.