Gaya APA

Marcdante, K, J., Kliegman, R, M. (2015). Nelson Essentials of Pediatrics Seventh Edition (Ed.7.). Canada: Elsevier Saunders.

Gaya MLA

Marcdante, Karen, J., Kliegman, Robert, M.. "Nelson Essentials of Pediatrics Seventh Edition". Ed.7. Canada: Elsevier Saunders, 2015. Text.