MLA

Thrall, Donald E, Dacvr Robertson BVSc, and Ian D Robertson. Atlas of Normal Radiographic Anatomy and Anatomic Variants In the Dog and Cat. W.B. Saunders, 2016.

APA

Thrall, D. E, Robertson BVSc, D., & Robertson, I. D. (2016). Atlas of normal radiographic anatomy and anatomic variants in the dog and cat. W.B. Saunders.

Chicago

Thrall, Donald E., Dacvr Robertson BVSc, and Ian D Robertson. Atlas of Normal Radiographic Anatomy and Anatomic Variants In the Dog and Cat. : W.B. Saunders, 2016.