Gaya APA

Vaclav, S. (2013). Should we eat meat: evolution and consequences of modern carnivory (Ed.1). Oxford, UK., Cambridge, Mass: John Wiley n Sons.

Gaya MLA

Smil, Vaclav. "Should we eat meat: evolution and consequences of modern carnivory". Ed.1 Oxford, UK., Cambridge, Mass: John Wiley n Sons, 2013. Textbook.