Cita APA (7a ed.)

Zeltzman, P., & Johnson, R. A. (2011). Walk a Hound, Lose a Pound: How You & Your Dog Can Lose Weight, Stay Fit, and Have Fun. Purdue University Press.

Cita Chicago Style (17a ed.)

Zeltzman, Phil, y Rebecca A. Johnson. Walk a Hound, Lose a Pound: How You & Your Dog Can Lose Weight, Stay Fit, and Have Fun. West Lafayette, Ind.: Purdue University Press, 2011.

Cita MLA (8a ed.)

Zeltzman, Phil, y Rebecca A. Johnson. Walk a Hound, Lose a Pound: How You & Your Dog Can Lose Weight, Stay Fit, and Have Fun. Purdue University Press, 2011.