APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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