Citazione Stile APA (7a Edizione)
Donahue, J., & Trump, E. (2010). American zoos during the depression: A new deal for animals. McFarland & Company, Inc., Publishers.
Citazione stile Chigago Style (17a edizione)
Donahue, Jesse, e Erik Trump. American Zoos During the Depression: A New Deal for Animals. Jefferson, N.C.: McFarland & Company, Inc., Publishers, 2010.
Citatione MLA (9a ed.)
Donahue, Jesse, e Erik Trump. American Zoos During the Depression: A New Deal for Animals. McFarland & Company, Inc., Publishers, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.