APA Edition Citation

Lapwood, E. R. (1968). Ordinary differential equations ([1st ed.].). Pergamon Press.

Chicago Edition Citation

Lapwood, E. R. Ordinary Differential Equations. [1st ed.]. Oxford ; New York: Pergamon Press, 1968.

MLA Edition Citation

Lapwood, E. R. Ordinary Differential Equations. [1st ed.]. Pergamon Press, 1968.