Cita APA (7a ed.)

Elliott, C. M., & Ockendon, J. R. (1982). Weak and variational methods for moving boundary problems. Pitman.

Cita Chicago Style (17a ed.)

Elliott, Charles M., y J. R. Ockendon. Weak and Variational Methods for Moving Boundary Problems. Boston: Pitman, 1982.

Cita MLA (9a ed.)

Elliott, Charles M., y J. R. Ockendon. Weak and Variational Methods for Moving Boundary Problems. Pitman, 1982.