APA (7th ed.) Citation

Walles, K. F. A. (1967). Random and systematic factors in the scatter of creep data. H.M.S.O..

Chicago Style (17th ed.) Citation

Walles, K. F. A. Random and Systematic Factors in the Scatter of Creep Data. London: H.M.S.O., 1967.

MLA (9th ed.) Citation

Walles, K. F. A. Random and Systematic Factors in the Scatter of Creep Data. H.M.S.O., 1967.