APA način citiranja (7. izdanje)

Guillén, M. F. (2023). The perennials: The megatrends creating a postgenerational society. St. Martin's Press.

Čikaški stil citiranja (17. izdanje)

Guillén, Mauro F. The Perennials: The Megatrends Creating a Postgenerational Society. New York: St. Martin's Press, 2023.

MLA način citiranja (9. izdanje)

Guillén, Mauro F. The Perennials: The Megatrends Creating a Postgenerational Society. St. Martin's Press, 2023.