APA (7th ed.) Citation

Fowler, R. F. (1970). Some problems of index number construction. H.M.S.O..

Chicago Style (17th ed.) Citation

Fowler, R. F. Some Problems of Index Number Construction. London: H.M.S.O., 1970.

MLA (8th ed.) Citation

Fowler, R. F. Some Problems of Index Number Construction. H.M.S.O., 1970.