Cita APA (7th ed.)

Rosillo-Calle, F., & Johnson, F. X. Food versus fuell: An informed introduction to biofuels.

Cita Chicago (17th ed.)

Rosillo-Calle, Frank, i Francis X. Johnson. Food Versus Fuell: An Informed Introduction to Biofuels.

Cita MLA (8th ed.)

Rosillo-Calle, Frank, i Francis X. Johnson. Food Versus Fuell: An Informed Introduction to Biofuels.