APA (7e ed.) Bronvermelding

Freer, P. C. (1892). A text-book of general descriptive chemistry (inorganic). Register Pub. : Inland Press.

Chicago (17e ed.) Bronvermelding

Freer, Paul Casper. A Text-book of General Descriptive Chemistry (inorganic). Ann Arbor, Mich.: Register Pub. : Inland Press, 1892.

MLA (8e ed.) Bronvermelding

Freer, Paul Casper. A Text-book of General Descriptive Chemistry (inorganic). Register Pub. : Inland Press, 1892.