APA
Campbell K., Griffiths S., Octel, Campbell K. & Griffiths S. (1961). The determination of tetramethyl lead (T.M.L.) and tetraethyl lead (T.E.L.) in gasoline. London: Octel.
Chicago
Campbell K, Griffiths S.T, Octel, Campbell K and Griffiths S.T. 1961. The determination of tetramethyl lead (T.M.L.) and tetraethyl lead (T.E.L.) in gasoline. London: Octel.
Harvard
Campbell K., Griffiths S., Octel, Campbell K. and Griffiths S. (1961). The determination of tetramethyl lead (T.M.L.) and tetraethyl lead (T.E.L.) in gasoline. London: Octel.
MLA
Campbell K, Griffiths S.T, Octel, Campbell K and Griffiths S.T. The determination of tetramethyl lead (T.M.L.) and tetraethyl lead (T.E.L.) in gasoline. London: Octel. 1961.