APA (7th ed.) Zitazioa

Vann Woodward, C. (1968). A comparative approach to american history. Voice of America.

Chicago Style (17th ed.) Zitazioa

Vann Woodward, C. A Comparative Approach to American History. Washington, D.C: Voice of America, 1968.

MLA (9th ed.) Zitazioa

Vann Woodward, C. A Comparative Approach to American History. Voice of America, 1968.