APA Citation

Piaggio, H. (1920). An elementary treatise on differential equations. London: G. Bell.

Chicago Style Citation

Piaggio, H.T.H. An Elementary Treatise On Differential Equations. London: G. Bell, 1920.

MLA Citation

Piaggio, H.T.H. An Elementary Treatise On Differential Equations. London: G. Bell, 1920.

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