APA Style

B.Carr, A. et al (2011,2015). Textbook Of Pediatric Dentistry (12,13). St. Louis, Mo: Elsevier Saunders.

MLA Style

B.Carr, Alan. et al. "Textbook Of Pediatric Dentistry". 12,13 St. Louis, Mo: Elsevier Saunders, 2011,2015. Text.