Style de citation APA (7e éd.)

Lorenzen, H., Johnstone, D., Bullard, D., & Zunt, J. (1993). Farming with Nature: For an ecologically and socially sustainable agricultural reform. Brussels: The Green Group in the European Parliament.

Style de citation Chicago (17e éd.)

Lorenzen, Hannes, Diana Johnstone, Diana Bullard, et Jennifer Zunt. Farming with Nature: For an Ecologically and Socially Sustainable Agricultural Reform. Brussels: The Green Group in the European Parliament, 1993.

Style de citation MLA (8e éd.)

Lorenzen, Hannes, et al. Farming with Nature: For an Ecologically and Socially Sustainable Agricultural Reform. Brussels: The Green Group in the European Parliament, 1993.