Παραπομπή σε μορφή APA (7η εκδ.)

Krugman, P. Why We're in a New Gilded Age: Paul Krugman. After Piketty : the agenda for economics and inequality.(2017).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Krugman, Paul. "Why We're in a New Gilded Age: Paul Krugman." After Piketty : The Agenda for Economics and Inequality.(2017) .

Παραπομπή σε μορφή MLA (8th εκδ.)

Krugman, Paul. "Why We're in a New Gilded Age: Paul Krugman." After Piketty : The Agenda for Economics and Inequality.(2017), .