APA (7th ed.) Citation

(1997). Difficulties in tracheal intubation (2. ed.). Saunders.

Chicago Style (17th ed.) Citation

Difficulties in Tracheal Intubation. 2. ed. London [u.a.]: Saunders, 1997.

MLA (9th ed.) Citation

Difficulties in Tracheal Intubation. 2. ed. Saunders, 1997.