Cita APA (7a ed.)
Vermeulen, S. J. (2011). Emissions efficiency: Are some animals more equal than others?
Cita Chicago Style (17a ed.)
Vermeulen, Sonja J. Emissions Efficiency: Are Some Animals More Equal than Others? 2011.
Cita MLA (9a ed.)
Vermeulen, Sonja J. Emissions Efficiency: Are Some Animals More Equal than Others? 2011.
Precaución: Estas citas no son 100% exactas.