Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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