APA (7th ed.) Citation

O'Connor, W. E. (1985). An introduction to airline economics (3. ed.). Praeger.

Chicago Style (17th ed.) Citation

O'Connor, William E. An Introduction to Airline Economics. 3. ed. New York u.a: Praeger, 1985.

MLA (9th ed.) Citation

O'Connor, William E. An Introduction to Airline Economics. 3. ed. Praeger, 1985.