APA
Behrman R. E., . (1999). Nelson essentials of pediatrics 3rd ed. [Place of publication not identified]: W.B. Saunders Company.
Chicago
Behrman Richard E, . 1999. Nelson essentials of pediatrics 3rd ed. [Place of publication not identified]: W.B. Saunders Company.
Harvard
Behrman R. E., . (1999). Nelson essentials of pediatrics 3rd ed. [Place of publication not identified]: W.B. Saunders Company.
MLA
Behrman Richard E, . Nelson essentials of pediatrics 3rd ed. [Place of publication not identified]: W.B. Saunders Company. 1999.