Cita APA

Berg, P. W., & McGregor, J. L. (1966). Elementary partial differential equations. Holden-Day.

Citación estilo Chicago

Berg, Paul W., and James L. McGregor. Elementary Partial Differential Equations. San Francisco: Holden-Day, 1966.

Cita MLA

Berg, Paul W., and James L. McGregor. Elementary Partial Differential Equations. San Francisco: Holden-Day, 1966.