Elementary trigonometry,
by H.S. Hall ... and S.R. Knight ...
APA Citation
Hall, H. S. (Henry Sinclair)., Knight, S. R. (Samuel Ratcliffe). (1895). Elementary trigonometry. 2. ed., rev. London: Macmillan and Co..
MLA Citation
Hall, H. S. (Henry Sinclair), 1848-1934, and S. R. (Samuel Ratcliffe) Knight. Elementary Trigonometry. 2. ed., rev. London: Macmillan and Co., 1895.
Warning: These citations may not always be complete (especially for serials).