APA način citiranja (7. izdanje)

Twentieth Century Fund & May, S. (1952). Costa Rica, a study in economic development. [s.n.

Čikaški stil citiranja (17. izdanje)

Twentieth Century Fund i Stacy May. Costa Rica, a Study in Economic Development. New York: [s.n, 1952.

MLA način citiranja (9. izdanje)

Twentieth Century Fund i Stacy May. Costa Rica, a Study in Economic Development. [s.n, 1952.