Burton, M., & Burton, R. (1973). The life of meat eaters: Introduction to the way meat eaters live and behave. MacDonald Educational.
Citazione stile Chigago Style (17a edizione)Burton, Maurice, e Robert Burton. The Life of Meat Eaters: Introduction to the Way Meat Eaters Live and Behave. London: MacDonald Educational, 1973.
Citatione MLA (9a ed.)Burton, Maurice, e Robert Burton. The Life of Meat Eaters: Introduction to the Way Meat Eaters Live and Behave. MacDonald Educational, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.