Cita APA (7a ed.)

ProQuest (Firm), Maitland, R., & Ritchie, B. W. (2010). City tourism: National capital perspectives. CABI.

Cita Chicago Style (17a ed.)

ProQuest (Firm), Robert Maitland, y Brent W. Ritchie. City Tourism: National Capital Perspectives. Cambridge, MA: CABI, 2010.

Cita MLA (9a ed.)

ProQuest (Firm), et al. City Tourism: National Capital Perspectives. CABI, 2010.