APA (7e ed.) Bronvermelding

Mettler, H. (1987). Eureka 1887-1987: Centennial Anniverary Book; The Second Fifty Years. Western Painting Company.

Chicago (17e ed.) Bronvermelding

Mettler, Howard. Eureka 1887-1987: Centennial Anniverary Book; The Second Fifty Years. Aberdeen, South Dakota: Western Painting Company, 1987.

MLA (8e ed.) Bronvermelding

Mettler, Howard. Eureka 1887-1987: Centennial Anniverary Book; The Second Fifty Years. Western Painting Company, 1987.

Let op: Deze citaties zijn niet altijd 100% accuraat.