APA (7e ed.) Bronvermelding

Kirk, A. (2000). A Flier in Oil Adolph B. Spreckels and the Rise of the California Petroleum Industry. Historical Society.

Chicago (17e ed.) Bronvermelding

Kirk, Anthony. A Flier in Oil Adolph B. Spreckels and the Rise of the California Petroleum Industry. Historical Society, 2000.

MLA (8e ed.) Bronvermelding

Kirk, Anthony. A Flier in Oil Adolph B. Spreckels and the Rise of the California Petroleum Industry. Historical Society, 2000.

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