APA (7th ed.) Citation

de Leon, M. R., Isidro, M. V., & Alampay, R. B. The relationship of romance, sex and tourism.

Chicago Style (17th ed.) Citation

de Leon, Michael Ray, Michelle Victoria Isidro, and Ramon Benedicto Alampay. The Relationship of Romance, Sex and Tourism.

MLA (9th ed.) Citation

de Leon, Michael Ray, et al. The Relationship of Romance, Sex and Tourism.