APA (7th ed.) Citation

O'Connor, W. E. (1995). An Introduction to airline economics / William E. O'Connor (5th ed.). Praeger.

Chicago Style (17th ed.) Citation

O'Connor, William E. An Introduction to Airline Economics / William E. O'Connor. 5th ed. Westport, Conn. ; London: Praeger, 1995.

MLA (9th ed.) Citation

O'Connor, William E. An Introduction to Airline Economics / William E. O'Connor. 5th ed. Praeger, 1995.

Warning: These citations may not always be 100% accurate.