APA (7th ed.) Citation
Alén, E., & et al. (2017). Understanding tourist behaviour of senior citizens: Lifecycle theory, continuity theory and a generational approach.
Chicago Style (17th ed.) Citation
Alén, E., and et al. Understanding Tourist Behaviour of Senior Citizens: Lifecycle Theory, Continuity Theory and a Generational Approach. 2017.
MLA (9th ed.) Citation
Alén, E., and et al. Understanding Tourist Behaviour of Senior Citizens: Lifecycle Theory, Continuity Theory and a Generational Approach. 2017.
Warning: These citations may not always be 100% accurate.