Cite
Veterinary rehabilitation and physical therapy. Preface.
MLA
Marcellin-Little, Denis J., et al. “Veterinary Rehabilitation and Physical Therapy. Preface.” The Veterinary Clinics of North America. Small Animal Practice, vol. 45, no. 1, Jan. 2015, pp. ix–x. EBSCOhost, https://doi.org/10.1016/j.cvsm.2014.10.001.
APA
Marcellin-Little, D. J., Levine, D., & Millis, D. L. (2015). Veterinary rehabilitation and physical therapy. Preface. The Veterinary Clinics of North America. Small Animal Practice, 45(1), ix–x. https://doi.org/10.1016/j.cvsm.2014.10.001
Chicago
Marcellin-Little, Denis J, David Levine, and Darryl L Millis. 2015. “Veterinary Rehabilitation and Physical Therapy. Preface.” The Veterinary Clinics of North America. Small Animal Practice 45 (1): ix–x. doi:10.1016/j.cvsm.2014.10.001.