Cita APA (7a ed.)

Smith, L. G., Kirk, G. J. D., Jones, P. J., & Williams, A. G. (2019). The greenhouse gas impacts of converting food production in England and Wales to organic methods. Nature Portfolio.

Cita Chicago Style (17a ed.)

Smith, Laurence G., Guy J. D. Kirk, Philip J. Jones, y Adrian G. Williams. The Greenhouse Gas Impacts of Converting Food Production in England and Wales to Organic Methods. Nature Portfolio, 2019.

Cita MLA (8a ed.)

Smith, Laurence G., et al. The Greenhouse Gas Impacts of Converting Food Production in England and Wales to Organic Methods. Nature Portfolio, 2019.