Cita APA (7a ed.)

Romero-Hernández, M., & Salgado Cabrera, H. (2006). Economies of density, network size and spatial scope in the European airline industry. FEDEA.

Cita Chicago Style (17a ed.)

Romero-Hernández, Manuel, y Hugo Salgado Cabrera. Economies of Density, Network Size and Spatial Scope in the European Airline Industry. Madrid: FEDEA, 2006.

Cita MLA (9a ed.)

Romero-Hernández, Manuel, y Hugo Salgado Cabrera. Economies of Density, Network Size and Spatial Scope in the European Airline Industry. FEDEA, 2006.