Citazione Stile APA (7a Edizione)
Helgren, J. A. (2013). Barron's encyclopedia of cat breeds: A complete guide to the domestic cats of North America. Barron's Educational Series, Inc..
Citazione stile Chigago Style (17a edizione)
Helgren, J. Anne. Barron's Encyclopedia of Cat Breeds: A Complete Guide to the Domestic Cats of North America. Hauppauge, New York: Barron's Educational Series, Inc., 2013.
Citatione MLA (9a ed.)
Helgren, J. Anne. Barron's Encyclopedia of Cat Breeds: A Complete Guide to the Domestic Cats of North America. Barron's Educational Series, Inc., 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.