APA (7th ed.) Zitazioa

Halpern, B. (1988). The first historians. Pennsylvania State University Press.

Chicago Style (17th ed.) Zitazioa

Halpern, Baruch. The First Historians. Pennsylvania: Pennsylvania State University Press, 1988.

MLA (9th ed.) Zitazioa

Halpern, Baruch. The First Historians. Pennsylvania State University Press, 1988.