APA (7th ed.) Citation

Lapwood, E. R. (1968). Ordinary differential equations. Pergamon Press.

Chicago Style (17th ed.) Citation

Lapwood, E. R. Ordinary Differential Equations. Oxford, Sydney: Pergamon Press, 1968.

MLA (8th ed.) Citation

Lapwood, E. R. Ordinary Differential Equations. Pergamon Press, 1968.