Cita APA (7a ed.)

Yeoman, I., Tan Li Yu, R., Mars, M., & Wouters, M. (2012). 2050 - tomorrow's tourism. Channel View Publications.

Cita Chicago Style (17a ed.)

Yeoman, Ian, Rebecca Tan Li Yu, Michelle Mars, y Mariska Wouters. 2050 - Tomorrow's Tourism. Bristol,[England]: Channel View Publications, 2012.

Cita MLA (9a ed.)

Yeoman, Ian, et al. 2050 - Tomorrow's Tourism. Channel View Publications, 2012.