Federal Writer's Project. (1985). Eureka 1887-1937 (2. Auflage.). Eureka's Golden Julilee Organization.
Cita Chicago (17th ed.)Federal Writer's Project. Eureka 1887-1937. 2. Auflage. Eureka, South Dakota: Eureka's Golden Julilee Organization, 1985.
Cita MLA (8th ed.)Federal Writer's Project. Eureka 1887-1937. 2. Auflage. Eureka's Golden Julilee Organization, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.