Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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