APA način citiranja (7. izdanje)

Willis, J. F. 1., & Fabritius,M.Manfred. (2005). Explorations in macroeconomics (7th ed.). CAT Publishing Co.

Čikaški stil citiranja (17. izdanje)

Willis, James Frederick 1932, i Fabritius,M.Manfred. Explorations in Macroeconomics. 7th ed. Redding, Calif.: CAT Publishing Co, 2005.

MLA način citiranja (8. izdanje)

Willis, James Frederick 1932, i Fabritius,M.Manfred. Explorations in Macroeconomics. 7th ed. CAT Publishing Co, 2005.