APA (7th ed.) Zitazioa
Maps.com (Firm) & ebrary, Inc. (2000). Spread of the Black Death, 1347-1350. Maps.com.
Chicago Style (17th ed.) Zitazioa
Maps.com (Firm) eta Inc ebrary. Spread of the Black Death, 1347-1350. [S.l.]: Maps.com, 2000.
MLA (9th ed.) Zitazioa
Maps.com (Firm) eta Inc ebrary. Spread of the Black Death, 1347-1350. Maps.com, 2000.
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