Gaya APA

Kirk, R, E., Donald, F, O. (1949). Encyclopedia of chemical technology [Vol.4] (vol.4). New York: The Interscience Encyclopedia, Inc.

Gaya MLA

Kirk, Raymond, E., Donald, F., Othmer,. "Encyclopedia of chemical technology [Vol.4]". vol.4 New York: The Interscience Encyclopedia, Inc, 1949. Text.