Fennell, J. (2005). The seven ages of man's best friend: A comprehensive guide for caring for your dog through all the stages of life (1st U.S. ed.). Collins.
Cita Chicago Style (17a ed.)Fennell, Jan. The Seven Ages of Man's Best Friend: A Comprehensive Guide for Caring for Your Dog Through All the Stages of Life. 1st U.S. ed. New York: Collins, 2005.
Cita MLA (8a ed.)Fennell, Jan. The Seven Ages of Man's Best Friend: A Comprehensive Guide for Caring for Your Dog Through All the Stages of Life. 1st U.S. ed. Collins, 2005.
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