Citazione Stile APA (7a Edizione)

Hancocks, D. Zoo animals as entertainment exhibitions: David Hancocks. A cultural history of animals in the modern age.(2007).

Citazione stile Chigago Style (17a edizione)

Hancocks, David. "Zoo Animals as Entertainment Exhibitions: David Hancocks." A Cultural History of Animals in the Modern Age.(2007) .

Citatione MLA (8a ed.)

Hancocks, David. "Zoo Animals as Entertainment Exhibitions: David Hancocks." A Cultural History of Animals in the Modern Age.(2007), .