Gaya APA
Ph.D, R, K, S., F.R.S.,, G, T, M, O. (1940).
Kingzett's Chemical Encyclopaedia .
London:
Bailliere Tindall.
Gaya MLA
Ph.D, Ralph, K., Strong,., F.R.S.,, Gilbert, T., Morgan,, O.B.E.,.
"Kingzett's Chemical Encyclopaedia".
London:
Bailliere Tindall,
1940.
Text.