APA

Helgren J. A., . (1999). Communicating With Your Cat. New York: Barron's Educational.

Chicago

Helgren J Anne, . 1999. Communicating With Your Cat. New York: Barron's Educational.

Harvard

Helgren J. A., . (1999). Communicating With Your Cat. New York: Barron's Educational.

MLA

Helgren J Anne, . Communicating With Your Cat. New York: Barron's Educational. 1999.