APA (7th ed.) Citation

Mendenhall, T. C. (1896). Helmholtz. Government Printing Of.

Chicago Style (17th ed.) Citation

Mendenhall, Thomas C. Helmholtz. Washington: Government Printing Of, 1896.

MLA (9th ed.) Citation

Mendenhall, Thomas C. Helmholtz. Government Printing Of, 1896.

Warning: These citations may not always be 100% accurate.