APA Style

Forfar, J, O. et al (1998). Forfar and Arneil's textbook of pediatrics : Textbook of pediatrics (5th ed). New York: Churchill Livingstone.

MLA Style

Forfar, John, O. et al. "Forfar and Arneil's textbook of pediatrics : Textbook of pediatrics". 5th ed New York: Churchill Livingstone, 1998. Text.