Cita APA (7a ed.)
Hvozdíková, V., Dováľová, G., & Petríková, K. Silver Economy – Emerging Business Opportunities.
Cita Chicago Style (17a ed.)
Hvozdíková, Veronika, Gabriela Dováľová, y Kristína Petríková. Silver Economy – Emerging Business Opportunities.
Cita MLA (9a ed.)
Hvozdíková, Veronika, et al. Silver Economy – Emerging Business Opportunities.
Precaución: Estas citas no son 100% exactas.