APA (7e ed.) Bronvermelding

Hartley, H. (1971). Studies in the history of chemistry. Clarendon Press.

Chicago (17e ed.) Bronvermelding

Hartley, Harold. Studies in the History of Chemistry. Oxford: Clarendon Press, 1971.

MLA (8e ed.) Bronvermelding

Hartley, Harold. Studies in the History of Chemistry. Clarendon Press, 1971.