Cita APA (7a ed.)

Gardner, N., & Kries, S. (2011). Bus-pass Britain: 50 Great British bus routes : favourite journeys described by locals. Bradt Travel Guides.

Cita Chicago Style (17a ed.)

Gardner, Nicky, y Susanne Kries. Bus-pass Britain: 50 Great British Bus Routes : Favourite Journeys Described by Locals. Chalfont St. Peter: Bradt Travel Guides, 2011.

Cita MLA (9a ed.)

Gardner, Nicky, y Susanne Kries. Bus-pass Britain: 50 Great British Bus Routes : Favourite Journeys Described by Locals. Bradt Travel Guides, 2011.