APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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