APA (7th ed.) Citation

Koepf, H. H., Shouldice, R., & Goldstein, W. (1989). The biodynamic farm: Agriculture in the service of the earth and humanity. Anthroposophic Press.

Chicago Style (17th ed.) Citation

Koepf, Herbert H., Roderick Shouldice, and Walter Goldstein. The Biodynamic Farm: Agriculture in the Service of the Earth and Humanity. Hudson, N.Y.: Anthroposophic Press, 1989.

MLA (9th ed.) Citation

Koepf, Herbert H., et al. The Biodynamic Farm: Agriculture in the Service of the Earth and Humanity. Anthroposophic Press, 1989.