APA (7th ed.) Zitazioa

Rybakov, B. (1965). Early centuries of Russian history. Progress Pub.

Chicago Style (17th ed.) Zitazioa

Rybakov, B. Early Centuries of Russian History. Moscow: Progress Pub, 1965.

MLA (9th ed.) Zitazioa

Rybakov, B. Early Centuries of Russian History. Progress Pub, 1965.