Popular lectures on scientific subject,
by Hermann von Helmholtz; tr. by E. Atkinson ... 2d series, with an autobiography of the author.
APA Citation
Helmholtz, H. von., Atkinson, E. (Edmund). (1908). Popular lectures on scientific subject. New impression. London: Longmans, Green and Co..
MLA Citation
Helmholtz, Hermann von, 1821-1894, and E. (Edmund) Atkinson. Popular Lectures On Scientific Subject. New impression. London: Longmans, Green and Co., 1908.
Warning: These citations may not always be complete (especially for serials).