APA (7th ed.) Zitazioa

Christian, C. (1988). Great people of our time. Macmillan.

Chicago Style (17th ed.) Zitazioa

Christian, Carol. Great People of Our Time. Londres: Macmillan, 1988.

MLA (9th ed.) Zitazioa

Christian, Carol. Great People of Our Time. Macmillan, 1988.