APA (7th ed.) Citation

ScienceDirect (Online service), Peterson, M. E., & Kutzler, M. A. (2011). Small animal pediatrics: The first 12 months of life. Saunders/Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Michael E. Peterson, and Michelle Anne Kutzler. Small Animal Pediatrics: The First 12 Months of Life. St. Louis, Mo.: Saunders/Elsevier, 2011.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Small Animal Pediatrics: The First 12 Months of Life. Saunders/Elsevier, 2011.