Cita APA (7a ed.)

Boffi, D., Duran, R., & Gastaldi, L. A remark on spurious eigenvalues in a square.

Cita Chicago Style (17a ed.)

Boffi, D., R.G Duran, y L. Gastaldi. A Remark on Spurious Eigenvalues in a Square.

Cita MLA (8a ed.)

Boffi, D., et al. A Remark on Spurious Eigenvalues in a Square.