APA Style
George, R, B. et al (1990).
Chest Medicine: Essentials of Pulmonary and Critical Care Medicine (2nd ed).
Baltimore:
Williams \r Wilkins.
MLA Style
George, Ronald, B. et al.
"Chest Medicine: Essentials of Pulmonary and Critical Care Medicine".
2nd ed
Baltimore:
Williams \r Wilkins,
1990.
print.