APA Citatie

Bowen, R. (1977). Copper: Its geology and economics. Applied Science Publishers.

Chicago Style citaat

Bowen, Robert. Copper: Its Geology and Economics. London: Applied Science Publishers, 1977.

MLA citatie

Bowen, Robert. Copper: Its Geology and Economics. Applied Science Publishers, 1977.

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