APA (7th ed.) Citation

Dennis, N. (1994). Airline hub operations in Europe. [s.n.].

Chicago Style (17th ed.) Citation

Dennis, Nigel. Airline Hub Operations in Europe. [S.l.]: [s.n.], 1994.

MLA (9th ed.) Citation

Dennis, Nigel. Airline Hub Operations in Europe. [s.n.], 1994.

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