Cita APA (7a ed.)

Copson, E. T. (1975). Partial differential equations. Cambridge University Press.

Cita Chicago Style (17a ed.)

Copson, E. T. Partial Differential Equations. Cambridge New York: Cambridge University Press, 1975.

Cita MLA (9a ed.)

Copson, E. T. Partial Differential Equations. Cambridge University Press, 1975.