Citazione Stile APA (7a Edizione)

Gurney, E. (1976). How to live with a calculating cat. Pocket book.

Citazione stile Chigago Style (17a edizione)

Gurney, Eric. How to Live with a Calculating Cat. New Tork: Pocket book, 1976.

Citatione MLA (9a ed.)

Gurney, Eric. How to Live with a Calculating Cat. Pocket book, 1976.